| Actor | First Ep# | Character | Episodes |
:: A :: |
| Alan Abelew | 2.03 | Brian Kirsh | School Hard |
| Ian Abercrombie | 3.05 | Germans' boss | Homecoming |
| Faith S. Abrahams | 5.02 | Peaches | Real Me |
| Amy Adams | 5.06 | Tara's Cousin Beth | Family |
| April Adams | 5.09 | Nurse Lampkin | Listening to Fear |
| Bernard K. Addison | 6.13 | Cop #1 | Dead Things |
| David Adefeso | 6.20 | Paramedic #2 | Villains |
| Barbara C. Adside | 5.09 | Creature | Listening to Fear |
| Mueen J. Ahmad | 6.20 | Doctor | Villains |
| Jennifer S. Albright | 4.16 | Date | Who Are You |
| Keith Allan | 5.09 | Skinny Mental Patient | Listening to Fear |
| Elizabeth Anne Allen | 1.03 | Amy Madison | The Witch; Bewitched, Bothered, and Bewildered; Gingerbread; Something Blue; Smashed; Wrecked; Doublemeat Palace |
| Enrique Almeida | 6.05 | Marco | Life Serial |
| Carlos Amezcua | 4.10 | Newscaster | Hush |
| Nathan Anderson | 3.09 | John Lee | The Wish |
| Timothy Anderson | 6.07 | Henchman | Once More, With Feeling |
| Paulo Andres | 3.22 | Dr. Powell | Graduation Day, Part Two |
| Mark Ankeny | 4.08 | Dean Guerrero | Pangs |
| Anthony Anselmi | 4.11 | Partier/the dead guy | Doomed |
| Robert Arce | 3.18 | Mr. Beach | Earshot |
| Vaughn Armstrong | 3.13 | Cop | The Zeppo |
| Richard Assad | 2.17 | Shop owner | Passion |
| Kaarina Aufranc | 7.02 | Nancy | Beneath You |
| Jeri Austin | 4.18 | Running Girl | Where the Wild Things Are |
:: B :: |
| Todd Babcock | 2.05 | Tom | Reptile Boy |
| Michael Bacall | 2.02 | Eric | Some Assembly Required |
| Dwight Bacquie | 6.11 | Security Guard | Gone |
| Larry Bagby III | 2.06 | Larry | Halloween; Phases; Anne; The Wish; Earshot; Graduation Day, Part Two |
| Eion Bailey | 1.06 | Kyle | The Pack |
| Steven W. Bailey | 6.20 | Cave Demon | Villains; Two To Go; Grave |
| Tom Michael Bailey | 3.10 | Tree Seller | Amends |
| Pedro Balmaceda | 4.01 | Eddie | The Freshman |
| Jordan Baker | 3.11 | Sheila Rosenberg | Gingerbread |
| Eric Balfour | 1.01 | Jesse | Welcome to the Hellmouth; The Harvest |
| Shane Barach | 3.10 | Daniel | Amends |
| Clayton Barber | 4.02 | Demon #1 | Living Conditions |
| J. Barton | 7.04 | Mike Helgenburg | Help |
| Paul Bates | 5.13 | Crazy #1 | Blood Ties |
| 5.20 | Crazy #2 | Spiral; The Weight of the World |
| Hinton Battle | 6.07 | Sweet | Once More, With Feeling |
| Richard Beatty | 6.05 | Small Demon | Life Serial |
| Lorin Becker | 6.06 | Witch Woman | All The Way |
| Scott Becker | 4.07 | Lost Freshman | The Initiative |
| Vanessa Bednar | 2.19 | 50's Girl #2 | I Only Have Eyes For You |
| Jason Behr | 2.07 | Ford | Lie to Me |
| Jordan Belfi | 6.09 | Ryan | Smashed |
| Coby Bell | 2.05 | Young Man | Reptile Boy |
| Rachael Bella | 7.01 | Dead Girl | Lessons |
| Tom Bellin | 3.22 | Dr. Gold | Graduation Day, Part Two |
| John Bellucci | 2.08 | Man | The Dark Age |
| Patrick Belton | 4.05 | College Kid #1 | Beer Bad |
| Cameron Bender | 4.05 | Stoner | Beer Bad |
| Robert Patrick Benedict | 4.17 | Adam's lackey (Jape) | Superstar; New Moon Rising (scenes cut) |
| Douglas Bennett | 6.12 | Phillip | Doublemeat Palace |
| Abraham Benrubi | 5.11 | Olaf | Triangle; Selfless |
| Amber Benson | 4.10 | Tara | Hush; A New Man; The I in Team; Goodbye Iowa; This Year's Girl; Who Are You; Superstar; Where the Wild Things Are; New Moon Rising; The Yoko Factor; Primeval; Restless; Buffy vs. Dracula; Real Me; Out Of My Mind; Family; Shadow; Listening to Fear; Triangle; Checkpoint; Blood Ties; Crush; I Was Made to Love You; The Body; Forever; Intervention; Tough Love; Spiral; The Weight of the World; The Gift; Season 6 (excluding Gone; Doublemeat Palace; As You Were; Two To Go; Grave) |
| Julie Benz | 1.01 | Darla | Welcome to the Hellmouth; The Harvest; Angel; Becoming, Part One; Fool For Love |
| Jennifer Bergman | 5.14 | Girl in Bronze | Crush |
| Scott Berman | 5.01 | Mover #2 | Buffy vs. Dracula |
| Anne Betancourt | 5.19 | Principal Stevens | Tough Love |
| Sarah Bibb | 2.19 | Fighting Girl | I Only Have Eyes For You |
| Nicole Bilderback | 3.09 | Cordette #1 | The Wish |
| Gil Birmingham | 2.04 | Peru Guy | Inca Mummy Girl |
| Loanne Bishop | 5.16 | 911 Operator | The Body |
| Adam Bitterman | 4.04 | Gachnar | Fear, Itself |
| Ryan Bittle | 1.11 | Mitch | Out of Mind, Out of Sight |
| Corey Michael Blake | 3.16 | Bartender | Doppelgängland |
| Troy T. Blendell | 5.12 | Jinx | Checkpoint; Blood Ties; I Was Made to Love You; Forever; Intervention; Tough Love |
| Brooke Bloom | 4.10 | Wanna Blessed Be | Hush |
| Marc Blucas | 4.01 | Riley Finn | The Freshman; Fear, Itself; Beer Bad; Wild at Heart; The Initiative; Pangs; Something Blue; Hush; Doomed through end of Season 4; Season 5 up to and including Into the Woods; As You Were |
| Rob Boltin | 4.22 | Soldier | Restless |
| J. Evan Bonifant | 5.16 | Kevin | The Body |
| Walt Borchert | 4.01 | New Vampire | The Freshman |
| 4.02 | Demon 2 | Living Conditions |
| (as Walter Borchert) | 5.14 | Jeff | Crush |
| David Boreanaz | 1.01 | Angel | Welcome to the Hellmouth; The Harvest; Teacher's Pet; Never Kill a Boy on the First Date; Angel; Out of Mind, Out of Sight; Prophecy Girl; Seasons 2-3 (excluding Inca Mummy Girl); Pangs; The Yoko Factor; Fool For Love; Forever |
| Patrese Borem | 1.06 | Young woman | The Pack |
| Michelle Branch | 6.08 | Singer | Tabula Rasa |
| Tamara Braun | 2.01 | Tara | When She Was Bad |
| 2.16 | Frenzied girl | Bewitched, Bothered, and Bewildered |
| Garrett Brawith | 6.19 | Frank | Seeing Red |
| Alex Breckenridge | 7.01 | Kit Holburn | Lessons |
| Nicholas Brendon | 1.01 | Alexander "Xander" LaVelle Harris | Seasons 1-7 |
| Marilyn Brett | 6.15 | Lady | As You Were |
| David Brisbin | 1.06 | Mr. Anderson | The Pack |
| Fleming Brooks | 6.10 | Mandraz | Wrecked |
| Ranjani Brow | 5.11 | Young Nun | Triangle |
| Alan Henry Brown | 5.17 | Funeral Director | Forever |
| 6.20 | Demon Bartender | Villains |
| Deborah Brown | 1.02 | Girl | The Harvest |
| Jeffrey Nicholas Brown | 6.20 | Vampire | Villains |
| Pat Crawford Brown | 6.12 | Wig Lady | Doublemeat Palace |
| Susannah L. Brown | 6.16 | Caterer Girl | Hell's Bells |
| Winsome Brown | 6.05 | Woman Customer | Life Serial |
| Ryan Browning | 6.14 | Richard | Older And Far Away |
| Charlie Brumbly | 4.10 | Gentleman | Hush |
| Keith Brunsmann | 3.19 | Vamp Lackey | Choices |
| Zachary Bryan | 7.04 | Peter | Help |
| Molly Bryant | 3.18 | Ms. Murray | Earshot |
| Gary Bullock | 3.17 | Shrouded Sorcerer | Enemies |
| Carlease Burke | 2.08 | Detective Winslow | The Dark Age |
| Marc Burnham | 3.08 | Lenny | Lovers Walk |
| Adam Busch | 5.15 | Warren | I Was Made to Love You; Intervention; Flooded; Life Serial; Smashed; Gone; Dead Things; Normal Again; Entropy; Seeing Red; Villains; Lessons |
| Dean Butler | 1.10 | Hank Summers | Nightmares; When She Was Bad; The Weight of the World; Normal Again |
| Ezra Buzzington | 5.06 | Bartender | Family |
:: C :: |
| Edie Caggiano | 6.18 | Mother | Entropy |
| Terry Cain | 1.10 | Ms. Tishler | Nightmares |
| Marion Calvert | 6.12 | Gina | Doublemeat Palace; Dead Things |
| Keith Campbell | 2.15 | Werewolf | Phases |
| Krissy Carlson | 1.09 | Emily | The Puppet Show |
| Charisma Carpenter | 1.01 | Cordelia Chase | Seasons 1-3 |
| Debbie Lee Carrington | 5.09 | Creature | Listening to Fear |
| Jade Carter | 4.20 | Lieutenant | The Yoko Factor |
| Kevin C. Carter | 6.12 | Mr. Typical | Doublemeat Palace |
| Robert Catrini | 4.01 | Prof. Riegert | The Freshman |
| Emma Caulfield | 3.09 | Anya/Anyanka | The Wish; Doppelgängland; The Prom; Graduation Day, Part One; The Harsh Light of Day; Fear, Itself; Pangs; Something Blue; Hush; A New Man; The I in Team; Goodbye Iowa; Who Are You; Superstar; Where the Wild Things Are; New Moon Rising; The Yoko Factor; Primeval; Restless; Seasons 5-7 |
| Elizabeth Cazenave | 6.14 | Teacher | Older And Far Away |
| Ara Celi | 2.04 | Ampata | Inca Mummy Girl |
| Amy Chance | 1.01 | Aphrodesia | Welcome to the Hellmouth |
| Rodney Charles | 6.17 | Orderly | Normal Again |
| Karen Charnell | 4.14 | Shady Lady | Goodbye Iowa |
| Bailey Chase | 4.07 | Graham Miller | The Initiative; Pangs; Doomed; The I in Team; Goodbye Iowa; This Year's Girl; Superstar; Where the Wild Things Are; New Moon Rising; Primeval; Out Of My Mind; Listening to Fear; Into the Woods |
| Simon Chernin | 7.01 | Student | Lessons |
| Jennie Chester | 2.16 | Kate | Bewitched, Bothered, and Bewildered |
| Nick Chinlund | 5.09 | Major Ellis | Listening to Fear; Into the Woods |
| Jane Cho | 6.20 | Nurse #1 | Villains |
| Gil Christner | 5.15 | Resident | I Was Made to Love You |
| Jason Christopher | 4.01 | Nonserious Guy | The Freshman |
| Kevin Christy | 7.04 | Josh | Help |
| Susan Chuang | 3.22 | Nurse | Graduation Day, Part Two |
| Adam Clark | 4.17 | Cop | Superstar |
| Christian Clemenson | 3.14 | Balthazar | Bad Girls |
| John Patrick Clerkin | 6.09 | Man | Smashed |
| Wendy Clifford | 3.14 | Mrs. Taggert | Bad Girls |
| Hunter Cochran | 6.07 | College Guy #2 | Once More, With Feeling |
| Cathy Cohen | 5.03 | Building Manager | The Replacement |
| Seth Coltan | 3.19 | Security Guard #2 | Choices |
| Anna Coman-Hidy | 2.19 | 50's Girl #1 | I Only Have Eyes For You |
| Jack Conley | 2.15 | Cain | Phases |
| Kelly Connell | 2.09 | Worm-man | What's My Line, Part One; What's My Line, Part
Two |
| James Michael Connor | 4.18 | Scientist | Where the Wild Things Are |
| 4.19 | Scientist #1 | New Moon
Rising |
| Samuel Bliss Cooper | 3.22 | Vamp Lackey | Graduation Day, Part Two |
| Nick Cornish | 3.12 | Guy | Helpless |
| Chanie Costello | 4.17 | Inga | Superstar |
| Julie Costello | 4.17 | Ilsa | Superstar |
| James Jude Courtney | 2.18 | Kindestod | Killed by Death |
| Robert Covarrubias | 3.09 | Caretaker | The Wish |
| Joey Crawford | 2.04 | Rodney | Inca Mummy Girl |
| Kevin Cristaldi | 5.16 | Paramedic #1 | The Body |
| Leland Crooke | 5.19 | Professor Lillian | Tough Love |
| Meredith Cross | 6.20 | Nurse #2 | Villains |
| Lindsay Crouse | 4.01 | Maggie Walsh | The Freshman; Fear, Itself; Beer Bad; Wild at Heart; The Initiative; Hush; A New Man; The I in Team; Primeval |
| Michael Cudlitz | 3.13 | Bob | The Zeppo |
| Clint Culp | 6.05 | Bartender | Life Serial |
| Gregory Scott Cummins | 2.03 | Big Ugly | School Hard |
| Bryan Cuprill | 4.05 | Roy | Beer Bad; Where the Wild Things Are |
| Charles Cyphers | 2.20 | Coach Marin | Go Fish |
:: D :: |
| Christopher Dahlberg | 2.05 | Tackle | Reptile Boy |
| Neil Daly | 4.18 | Mason | Where the Wild Things Are |
| Mark Daneri | 4.19 | Scientist #2 | New Moon Rising |
| Marshe Daniel | 7.03 | Brother | Same Time, Same Place |
| Chris Daniels | 5.07 | Stabbing Vampire | Fool For Love |
| Paul Darrigo | 5.15 | Driver | I Was Made to Love You |
| Jermyn Daube | 3.05 | Frederick | Homecoming |
| Joseph Daube | 3.05 | Hans | Homecoming |
| Frederick Dawson | 5.14 | Porter | Crush |
| Mark Deakins | 1.08 | Moloch's voice | I Robot, You Jane |
| Daniel Dehring | 7.04 | Red Robed #1 | Help |
| Alexis Denisof | 3.14 | Wesley Wyndam-Pryce | Bad Girls; Consequences; Doppelgängland; Enemies; Earshot; Choices; The Prom; Graduation Day, Part One; Graduation Day, Part Two |
| Jeff Denton | 7.01 | Vampire | Lessons |
| Joseph DiGiandomenico | 5.14 | Matt | Crush |
| April Dion | 6.17 | Kissing Girl | Normal Again |
| Nicholette Dixon | 7.03 | Sister | Same Time, Same Place |
| Jack Donner | 5.20 | Cleric #1 | Spiral |
| Kelly Donovan | 5.03 | Xander Double | The Replacement |
| 5.18 | unspecified | Intervention |
| Justin Doran | 3.18 | Hogan | Earshot |
| Jim Doughan | 1.03 | Mr. Pole | The Witch |
| Don Dowe | 3.12 | Construction Worker | Helpless |
| Robin Atkin Downes | 2.05 | Machida | Reptile Boy |
| Denise Dowse | 1.11 | Ms. Miller | Out of Mind, Out of Sight |
| Charles Duckworth | 6.06 | Glenn | All The Way |
| Andrew Ducote | 2.18 | Ryan | Killed by Death |
| Darius Dudley | 5.17 | Minister | Forever |
| Todd Duffey | 5.17 | Murk | Forever; Intervention; Tough Love; Spiral; The Weight of the World; The Gift |
| Alastair Duncan | 4.15 | Collins | This Year's Girl; Who Are You |
| Eliza Dushku | 3.03 | Faith | Faith, Hope, and Trick; Beauty and the Beasts;
Homecoming; Revelations; Amends; The Zeppo; Bad Girls; Consequences; Doppelgängland; Enemies; Choices; Graduation Day, Part One; Graduation Day, Part Two; This Year's Girl; Who Are You (credited as Buffy) |
| Clea DuVall | 1.11 | Marcie Ross | Out of Mind, Out of Sight |
| Whitney Dylan | 3.13 | Lysette | The Zeppo |
:: E :: |
| Margaret Easley | 4.08 | Curator | Pangs |
| Damien Eckhardt | 3.20 | Jack Mayhew | The Prom |
| Edward Edwards | 3.10 | Male Ghost | Amends |
| Michael Emanuel | 5.13 | Burly Guard | Blood Ties |
| Amelinda Embry | 5.15 | Katrina | I Was Made to Love You; Dead Things; Villains |
| Chris Emerson | 6.16 | Josh age 21 | Hell's Bells |
| David Engler | 4.18 | Initiative Guy | Where the Wild Things Are |
| John Ennis | 3.03 | Manager | Faith, Hope, and Trick |
| Ethan Erickson | 3.16 | Percy West | Doppelgängland; Earshot; Graduation Day, Part One; Graduation Day, Part Two; Doomed |
| Chad Erikson | 6.06 | Guy | All The Way |
| Jack Esformes | 4.15 | Doctor | This Year's Girl |
| Alex Estronel | 6.07 | Henchman | Once More, With Feeling |
| Lee Everett | 3.05 | Candy Gorch | Homecoming |
:: F :: |
| Mel Fair | 6.16 | Tentacle Demon | Hell's Bells |
| Shonda Farr | 5.15 | April | I Was Made to Love You |
| Kenneth Feinberg | 5.07 | Chaos Demon | Fool For Love |
| Kelly Felix | 5.15 | Teenager | I Was Made to Love You |
| Andrew J. Ferchland | 1.05 | The Anointed One | Never Kill a Boy on the First Date; Angel; Nightmares; Prophecy Girl; When She Was Bad; School Hard |
| Jay Michael Ferguson | 3.18 | Another Student | Earshot |
| Sharon Ferguson | 4.22 | Primitive | Restless; Intervention |
| T. Ferguson | 6.12 | Gary | Doublemeat Palace |
| Michelle Ferrara | 4.12 | Mother | A New Man |
| Conchata Ferrell | 2.20 | Nurse Greenleigh | Go Fish |
| Edith Fields | 1.08 | School Nurse | I Robot, You Jane |
| Fab Filippo | 3.03 | Scott Hope | Faith, Hope, and Trick; Beauty and the Beasts; Homecoming |
| Bob Fimiani | 4.20 | Mr. Ward | The Yoko Factor; Primeval |
| Edward Fletcher | 5.07 | Male Partygoer | Fool For Love |
| Miriam Flynn | 2.19 | Ms. Frank | I Only Have Eyes For You |
| Jeremy Foley | 1.10 | Billy Palmer | Nightmares |
| William Forward | 5.08 | Dr. Isaacs | Shadow |
| Ryan Francis | 2.14 | Soldier | Innocence |
| David Franco | 6.08 | Vamp #3 | Tabula Rasa |
| Julian Franco | 6.16 | Young Bartender | Hell's Bells |
| Nelson Frederick | 6.20 | Villager | Villains |
| K. Todd Freeman | 3.03 | Mr. Trick | Faith, Hope, and Trick; Homecoming; Band Candy; Bad Girls; Consequences |
| Jessa French | 6.11 | Cleo | Gone |
| Bonita Friedericy | 3.19 | Mrs. Finkle, store manager | Choices; The Prom |
| Julie Fulton | 1.11 | FBI teacher | Out of Mind, Out of Sight |
| David Fury | 6.07 | Mustard Man | Once More, With Feeling |
:: G :: |
| Adam G. | 5.10 | Tough Vamp | Into the Woods |
| E.J. Gage | 5.01 | Mover #1 | Buffy vs. Dracula |
| Andrea Gall | 5.17 | Customer | Forever |
| Mark Gantt | 4.15 | Demon | This Year's Girl |
| Rick Garcia | 6.09 | Reporter | Smashed |
| Lee Garlington | 6.16 | Jessica Harris | Hell's Bells |
| Chris Garnant | 3.02 | Stoner #1 | Dead Man's Party |
| Kelli Garner | 5.16 | Kristie | The Body |
| Monica Serene Garnich | 3.20 | "No" Girl | The Prom |
| Jeremy Garrett | 2.20 | Cameron Walker | Go Fish |
| Grant Garrison | 3.11 | Roy | Gingerbread |
| Willie Garson | 2.18 | Security guard | Killed by Death |
| JB Gaynor | 4.14 | Boy | Goodbye Iowa |
| Sarah Michelle Gellar | 1.01 | Buffy Summers | Seasons 1-7 |
| Abigail Gershman | 2.06 | Girl | Halloween |
| Nina Gervitz | 2.21 | Teacher | Becoming, Part One |
| Mark Ginther | 6.05 | Horned Demon | Life Serial |
| Michael Giordani | 6.10 | Jonesing Guy | Wrecked |
| Carmine D. Giovinazzo | 1.01 | Boy | Welcome to the Hellmouth |
| Asher Glaser | 5.14 | Boy in Bronze | Crush |
| Jonathan Goldstein | 6.05 | Mike | Life Serial |
| Rick Gonzalez | 7.04 | Tough Student | Help |
| Adam Gordon | 6.06 | Carl | All The Way |
| Justin Gorence | 5.12 | Orlando | Checkpoint; Blood Ties; Spiral |
| Christopher Gorham | 2.19 | James Stanley | I Only Have Eyes For You |
| Peggy Goss | 5.06 | Crazy Person | Family |
| Megan Gray | 3.16 | Sandy | Doppelgängland; Family; Shadow |
| Johnny Green | 1.10 | Way Cool Guy | Nightmares |
| Mary-Pat Green | 3.01 | Nurse | Anne |
| Seth Green | 2.04 | Oz | Inca
Mummy Girl; Halloween; What's My Line, Part
One; What's My Line, Part Two; Surprise;
Innocence; Phases; Bewitched, Bothered, and Bewildered; Becoming,
Part One; Becoming, Part Two; Season
3 (excluding Consequences); The
Freshman; Living Conditions; The Harsh
Light of Day; Fear, Itself; Beer Bad;
Wild at Heart; New Moon Rising; Restless |
| Paul Greenberg | 6.01 | Shempy Vamp | Bargaining, Part One |
| Fritz Greve | 5.03 | Construction Worker | The Replacement |
| Joel Grey | 5.17 | Doc | Forever; The Weight of the World; The Gift |
| Mike Grief | 6.01 | Klyed | Bargaining, Part One; Bargaining, Part
Two |
| Stephanie Denise Griffin | 3.20 | Girl in store | The Prom |
| Camilla Griggs | 2.15 | Gym teacher | Phases |
| Adam Grimes | 4.04 | Lobster Boy | Fear, Itself |
| Chet Grissom | 4.15 | Detective | This Year's Girl; Who Are You |
| Harry Groener | 3.05 | Mayor Richard Wilkins III | Homecoming; Band Candy; Lovers Walk; Gingerbread; Bad Girls; Consequences; Doppelgängland; Enemies; Choices; Graduation Day, Part One; Graduation Day, Part Two; This Year's Girl; Lessons |
| Brian Gross | 1.06 | Tor | The
Pack |
| Saverio Guerra | 2.09 | Willy | What's My Line, Part One; What's My Line, Part Two;
Amends; The Zeppo; Goodbye Iowa |
| Noel Albert Guglielmi | 6.05 | Vince | Life Serial |
| Scott Gurney | 1.12 | Kevin | Prophecy Girl |
| Paul Gutrecht | 6.05 | Tony | Life Serial |
| Joyce Guy | 7.05 | Professor | Selfless |
:: H :: |
| Sarah Hagan | 7.04 | Amanda | Help |
| Daniel Hagen | 6.11 | Frank | Gone |
| Tim Hager | 6.19 | Administrator | Seeing Red |
| Jason Hall | 2.04 | Devon | Inca Mummy Girl; Bewitched, Bothered, and Bewildered; Dead Man's Party; Homecoming; Band Candy; Revelations; Doppelgängland; The Harsh Light of Day |
| Tess Hall | 7.02 | Punk Girl | Beneath You |
| Scott Hamm | 2.16 | Jock | Bewitched, Bothered, and Bewildered |
| Chasen Hampton | 1.09 | Elliot | The Puppet Show |
| Elin Hampton | 6.11 | Co-worker | Gone |
| Alyson Hannigan | 1.01 | Willow Rosenberg | Seasons 1-7 |
| Scott Harlan | 1.10 | Aldo Gianfranco | Nightmares |
| Michael Harney | 4.22 | Xander's Dad | Restless |
| Anthony Harrell | 7.04 | unspecified | Help |
| Amy Hathaway | 6.19 | Vengeance-wishing Woman | Seeing Red |
| John Hawkes | 2.19 | George | I Only Have Eyes For You |
| Brian Hawley | 4.15 | Orderly | This Year's Girl |
| David Haydn-Jones | 3.12 | Hobson | Helpless |
| Paul Hayes | 5.05 | Older Night Watchman | No Place Like Home; Listening to
Fear |
| Anthony Stewart Head | 1.01 | Rupert Giles | Seasons 1-5; Bargaining, Part One; Flooded; Life Serial; All The Way; Once More, With Feeling; Tabula Rasa; Two To Go; Grave; Lessons; Beneath You |
| Darin Heames | 3.13 | Parker | The Zeppo |
| Jabari Hearn | 6.05 | Steve | Life Serial |
| Steve Heinze | 5.07 | Vampire #1 | Fool For Love |
| Alan Heitz | 5.19 | Slook | Tough Love |
| Richard Herd | 2.18 | Dr. Backer | Killed by Death |
| Julie Hermelin | 6.20 | Clerk | Villains |
| John Michael Herndon | 5.16 | Vampire | The Body |
| George Hertzberg | 4.13 | Adam | The I in Team; Goodbye Iowa; Who Are You; Superstar; New Moon Rising; The Yoko Factor; Primeval; Restless; Lessons |
| Shannon Hillary | 4.01 | Dav | The Freshman |
| Nichole Hiltz | 6.19 | unspecified | Seeing Red |
| Brent Hinkley | 6.12 | Manny, the Manager | Doublemeat Palace |
| Joey Hiott | 6.16 | Josh age 10 | Hell's Bells |
| Jan Hoag | 6.16 | Cousin Carol | Hell's Bells |
| Aldis Hodge | 4.04 | Masked Teen | Fear, Itself |
| Tim Hodgin | 6.20 | Coroner | Villains |
| Dierdre Holder | 5.04 | Hospital Doctor | Out of My Mind |
| Anastasia Horne | 4.11 | Laurie | Doomed |
| Jean Speegle Howard | 1.04 | Elderly Miss French | Teacher's Pet |
| Jeremy Howard | 7.01 | Dead Nerd | Lessons |
| Joe Howard | 3.20 | Priest | The Prom |
| Lisa Hoyle | 6.03 | Demon | Afterlife |
| Peter Husmann | 5.12 | Mailman | Checkpoint |
| P.B. Hutton | 2.09 | Mrs. Kalish | What's My Line, Part One |
:: I :: |
| Gary Imhoff | 3.09 | Teacher | The Wish |
| Victor Z. Isaac | 6.12 | Pimply Teen | Doublemeat Palace |
| Ravil Isyanov | 5.05 | Monk | No Place Like Home |
| Kris Iyer | 5.12 | Nigel | Checkpoint |
:: J :: |
| John Jabaley | 6.04 | Tito | Flooded |
| Lily Jackson | 6.06 | Witchy Poo | All The Way |
| Rebecca Jackson | 6.16 | Tarantula | Hell's Bells |
| Samuel Jacobs | 2.04 | Peruvian Boy | Inca Mummy Girl |
| Jeffrey Jacquin | 6.11 | Meter Man | Gone |
| Josh Jacobson | 5.22 | Teen | The Gift |
| Carlos Jacott | 3.01 | Ken | Anne |
| Christopher James | 6.19 | Guard #2 | Seeing Red |
| Steven Jang | 4.05 | College Kid #3 | Beer Bad |
| Brent Jennings | 2.01 | Absalom | When She Was Bad |
| Juanita Jennings | 2.18 | Dr. Wilkinson | Killed by Death |
| Tupelo Jereme | 1.01 | Girl #2 | Welcome to the Hellmouth |
| Alexandra Johnes | 2.03 | Sheila | School Hard |
| Anthony S. Johnson | 7.03 | Father | Same Time, Same Place |
| Carl J. Johnson | 5.13 | Crazy #2 | Blood Ties |
| 5.20 | Crazy #3 | Spiral; The Weight of the World |
| Harry Johnson | 6.01 | Parent #1 | Bargaining, Part One |
| Lisa Johnson | 4.05 | Paula | Beer Bad |
| Denise Johnson | 2.18 | Celia | Killed by Death |
| Doug Jones | 4.10 | Gentleman | Hush |
| Walter Emanuel Jones | 4.04 | Edward | Fear, Itself |
| Kathryn Joosten | 4.18 | Mrs. Holt | Where the Wild Things Are |
| Jack Jozefson | 6.09 | Rusty | Smashed |
:: K :: |
| Brad Kane | 3.20 | Tucker | The Prom |
| Adam Kaufman | 4.02 | Parker Abrams | Living Conditions; The Harsh Light of Day; Fear, Itself; Beer Bad; Wild at Heart; The Initiative |
| Emily Kay | 6.06 | Maria | All The Way |
| Zitto Kazann | 2.21 | Gypsy man | Becoming, Part One |
| John F. Kearney | 6.12 | Elderly Man | Doublemeat Palace |
| Dominic Keating | 3.12 | Blair | Helpless |
| Dorron Keeman | 4.19 | Commando #2 | New Moon Rising |
| Rae'ven Larrymore Kelly | 5.16 | Lisa | The Body |
| Dagney Kerr | 4.01 | Kathy | The Freshman; Living Conditions |
| Tom Kiesche | 5.22 | Vampire | The Gift |
| Mike Kimmel | 3.20 | Butcher Guy | The Prom |
| Tove Kingsbury | 3.20 | Tux Boy | The Prom |
| Jack Knight | 1.04 | Homeless guy | Teacher's Pet |
| John Knight | 1.11 | Bud 1 | Out of Mind, Out of Sight |
| Lily Knight | 5.20 | Gronx | Spiral; The Weight of the World |
| Jeff Kober | 3.12 | Zackary Kralik | Helpless |
| 6.10 | Rack | Wrecked; Villains; Two To Go |
| Nick Kokich | 6.16 | Demon Teen | Hell's Bells |
| Brian Kolb | 6.04 | Bank Guard | Flooded |
| Matt Koruba | 7.03 | Teen Boy | Same Time, Same Place |
| Clare Kramer | 5.05 | Glory | No Place Like Home; Family; Shadow; Checkpoint; Blood Ties; I Was Made to Love You; Forever; Intervention; Tough Love; Spiral; The Weight of the World; The Gift; Lessons |
| Mark Kriski | 3.10 | Weatherman | Amends |
| Suzanne Krull | 3.08 | Clerk | Lovers Walk |
:: L :: |
| Cynthia LaMontagne | 5.12 | Lydia | Checkpoint |
| Robia LaMorte | 1.08 | Ms. Jenny Calendar / Janna Kalderash | I Robot, You Jane; Prophecy Girl; When She Was Bad; Some Assembly Required; School Hard; Lie to Me; The Dark Age; Ted; Surprise; Innocence; Bewitched, Bothered, and Bewildered; Passion; Becoming, Part One; Amends |
| Juliet Landau | 2.03 | Drusilla | School Hard; Halloween; Lie to Me; What's My Line, Part One; What's My Line, Part Two; Surprise; Innocence; Bewitched, Bothered, and Bewildered; Passion; I Only Have Eyes For You; Becoming, Part One; Becoming, Part Two; Fool For Love; Crush; Lessons |
| Teddy Lane, Jr. | 1.02 | Bouncer | The Harvest |
| Matthew Lang | 5.07 | 2nd Male Partygoer | Fool For Love |
| 5.21 | High Priest Minion | The Weight of the World |
| Jeff Langton | 2.11 | Vampire | Ted |
| Sara LaWall | 6.12 | Housewife Type | Doublemeat Palace |
| J. Patrick Lawlor | 1.01 | Thomas | Welcome to the Hellmouth |
| Staci Lawrence | 5.05 | Customer | No Place Like Home |
| Steven Anthony Lawrence | 6.06 | Chunky Kid | All The Way |
| Bianca Lawson | 2.09 | Kendra | What's My Line, Part One; What's My Line, Part Two; Becoming, Part One |
| James C. Leary | 6.05 | Clem | Life Serial (credited as Loose Skinned Demon); Older And Far Away; Hell's Bells; Seeing Red; Villains; Two To Go |
| Alexandra Lee | 5.21 | Young Buffy | The Weight of the World |
| Julia Lee | 2.07 | Chantarelle | Lie to Me |
| 3.01 | Lily | Anne |
| Paul Leighton | 4.14 | Rough-Looking Demon | Goodbye Iowa |
| Nancy Lenehan | 3.02 | Pat | Dead Man's Party |
| Tom Lenk | 5.02 | Cyrus | Real Me |
| 6.04 | Andrew | Flooded; Life Serial; Smashed; Gone; Dead Things; Normal Again; Entropy; Seeing Red; Villains; Two To Go; Grave |
| Jarrett Lennon | 7.04 | Tattle Tale (Locker 281) | Help |
| Katharine Leonard | 5.07 | Female Partygoer | Fool For Love |
| Michael Leopard | 3.01 | Roughneck | Anne |
| Ken Lerner | 1.01 | Principal Flutie | Welcome to the Hellmouth; The Harvest; Teacher's Pet; The Pack |
| Susan Leslie | 2.22 | First cop | Becoming, Part One |
| Don W. Lewis | 4.10 | Gentleman | Hush |
| Phill Lewis | 3.04 | Mr. Platt | Beauty and the Beasts |
| Hila Levy | 6.01 | Pretty Girl | Bargaining, Part One |
| Chad Lindberg | 1.08 | Dave | I Robot, You Jane |
| Ming Liu | 5.07 | Chinese Slayer | Fool For Love |
| Mace Lombard | 4.01 | Tom | The Freshman; The Initiative |
| Darris Love | 4.04 | Hallmate | Fear, Itself |
| Kate Luhr | 4.05 | Young Woman | Beer Bad |
| James Lurie | 2.14 | Mr. Miller | Innocence; I Only Have Eyes For You; Anne; Graduation Day, Part One |
| Erica Luttrell | 4.17 | Karen | Superstar |
:: M :: |
| James G. MacDonald | 2.11 | Detective Stein | Ted; Becoming, Part One; Consequences |
| Keith MacKechnie | 2.03 | Parent | School Hard |
| Melanie MacQueen | 2.02 | Mrs. Epps | Some Assembly Required |
| Carla Madden | 2.14 | Woman | Innocence |
| Billy Maddox | 3.05 | Frawley | Homecoming |
| Dom Magwili | 1.10 | Doctor | Nightmares |
| Karem Malicki-Sanchez | 3.18 | Freddy | Earshot |
| Colin Malone | 6.10 | Creepy Guy | Wrecked |
| Michael Manasseri | 3.17 | Horned Demon | Enemies |
| Stefan Marks | 6.19 | Guard #1 | Seeing Red |
| Andy Marshall | 4.14 | Scientist #1 | Goodbye Iowa |
| James Marsters | 2.03 | Spike | School Hard; Halloween; Lie to Me; What's My Line, Part One; What's My Line, Part Two; Surprise; Innocence; Bewitched, Bothered, and Bewildered; Passion; I Only Have Eyes For You; Becoming, Part One; Becoming, Part Two; Lovers Walk; The Harsh Light of Day (uncredited); Wild at Heart through the rest of Season 4; Seasons 5-7 |
| Ed F. Martin | 7.01 | Teacher (Mr Lonegrin) | Lessons |
| Rudolph Martin | 5.01 | Dracula | Buffy vs. Dracula |
| Pierrino Mascarino | 1.08 | Thelonius | I Robot, You Jane |
| Wesley Mask | 5.12 | Professor Roberts | Checkpoint |
| Alessandro Mastrobuono | 7.05 | Villager #3 | Selfless |
| Eric Matheny | 4.05 | Main Cave Guy | Beer Bad |
| Leslee Jean Matta | 5.01 | Vampire Girl #2 | Buffy vs. Dracula |
| Michael Matthys | 6.20 | Paramedic | Villains |
| Abigail Mavity | 6.16 | Sara age 8 | Hell's Bells |
| Tia Matza | 5.16 | Teacher | The
Body |
| Christopher May | 6.05 | Male Customer | Life Serial |
| Lenora May | 1.09 | Mrs. Jackson | The Puppet Show |
| Jeff Maynard | 1.06 | Lance | The Pack |
| Brie McCaddin | 2.12 | Cute girl | Bad Eggs |
| Casey McCarthy | 4.18 | Julie | Where the Wild Things Are |
| Jeff McCredie | 6.21 | Officer | Two To Go |
| Daniel McFeeley | 6.16 | Warty Demon | Hell's Bells |
| Jack McGee | 2.21 | Doug Perren | Becoming, Part One |
| Todd McIntosh | 2.07 | "Hi" vampire | Lie to Me |
| Stuart McLean | 2.08 | Philip Henry | The Dark Age |
| Derrick McMillon | 2.05 | Ron | Life Serial |
| Mercedes McNab | 1.02 | Harmony Kendall | The Harvest; Out of Mind, Out of Sight; Surprise; Bewitched, Bothered, and
Bewildered; The Wish; Graduation Day, Part One;
Graduation Day, Part Two; The Harsh Light of
Day; The Initiative; Pangs; Restless; Real Me; Out Of My Mind; Family; Fool For Love; Crush |
| Tori McPetrie | 3.05 | Michelle | Homecoming |
| Kimberly McRae | 4.15 | Visitor | This Year's Girl |
| Michael McRaine | 1.06 | Rhonda | The Pack |
| Geoff Meed | 1.05 | Andrew Borba | Never Kill a Boy on the First Date |
| 6.01 | Mag | Bargaining, Part
One; Bargaining, Part Two |
| Melix | 4.03 | Bryan | The
Harsh Light of Day |
| Michael Merton | 6.04 | Mr. Savitsky | Flooded |
| Mark Metcalf | 1.01 | The Master | Welcome to the Hellmouth; The Harvest; Never Kill a Boy on the First Date; Angel; Nightmares; Prophecy Girl; The Wish; Lessons |
| Norma Michael | 3.16 | Older woman | Doppelgängland |
| Ivana Milicevic | 6.15 | Sam Finn | As You Were |
| David J. Miller | 6.05 | Rat-faced Demon | Life Serial |
| J. Robin Miller | 1.10 | Laura | Nightmares |
| Richard Hoyt Miller | 2.17 | Policeman | Passion |
| Wentworth Miller | 2.20 | Gage Petronzi | Go Fish |
| Chaney Kley Minnis | 5.02 | Brad | Real Me |
| Michelle Miracle | 1.09 | Locker Girl | The Puppet Show |
| William Monaghan | 1.03 | Dr. Gregory | The Witch; Teacher's Pet |
| Robert Mont | 1.05 | Van Driver | Never Kill a Boy on the First Date |
| Paul-Felix Montez | 1.05 | Mysterious Guy | Never Kill a Boy on the First Date |
| Damian Mooney | 6.21 | Patrol Cop | Two To Go |
| Joy DeMichelle Moore | 6.01 | Ms. Lefcourt | Bargaining, Part One |
| Sean Moran | 1.10 | Stage Manager | Nightmares |
| Bob Morrisey | 5.02 | Crazy Guy | Real Me |
| 5.20 | Crazy #1 | Spiral; The Weight of the World |
| Roger Morrissey | 3.11 | Demon | Gingerbread |
| 4.02 | Tapparich | Living Conditions |
| Glenn Morshower | 7.04 | Cassie's Father | Help |
| Brett Moses | 3.19 | Student | Choices |
| Paige Moss | 4.02 | Veruca | Living Conditions (uncredited); Beer Bad; Wild at Heart |
| Oliver Muirhead | 5.12 | Phillip | Checkpoint |
| Rich Muller | 3.18 | Student | Earshot |
| Robert Munic | 2.18 | Intern | Killed by Death |
| Daniel Henry Murray | 2.08 | Creepy Cult Guy | The Dark Age |
:: N :: |
| Michael Nagy | 3.16 | Alfonse | Doppelgängland |
| Benita Krista Nall | 7.02 | Young Woman | Beneath You |
| Adrian Neil | 3.21 | Vamp Lackey #1 | Graduation Day, Part One |
| Kirsten Nelson | 6.12 | Lorraine Ross | Doublemeat Palace; Normal Again |
| Ingo Neuhaus | 2.02 | Daryl | Some Assembly Required |
| Candice Nicole | 5.13 | Young Buffy | Blood Ties |
| Jennifer Nicole | 3.16 | Willow's body double | Doppelgängland |
| Lauren Nissi | 6.09 | Girlfriend | Smashed |
| Robert Noble | 6.16 | Night Manager | Hell's Bells |
| Michele Nordin | 4.04 | Rachel | Fear, Itself |
| Marti Noxon | 6.07 | Parking Ticket Woman | Once More, With Feeling |
:: O :: |
| Joe Ochman | 5.13 | Janitor | Blood Ties |
| Mariah O'Brien | 3.09 | Nancy | The Wish |
| Raymond O'Connor | 6.08 | Teeth | Tabula Rasa |
| Conor O'Farrell | 4.19 | Colonel McNamara | New Moon Rising; The Yoko Factor; Primeval |
| Cornelia Hayes O'Herlihy | 3.10 | Margaret | Amends |
| John O'Leary | 5.12 | Council Member #5 | Checkpoint |
| 6.06 | Kaltenbach | All The Way |
| Karim Oliver | 1.04 | Bud #1 | Teacher's Pet |
| Kate Orsini | 6.19 | Girl at Bronze | Seeing Red |
| Phina Oruche | 4.01 | Olivia | The Freshman; Hush; Restless |
| Kevin Owers | 4.15 | Smith | This Year's Girl; Who Are You |
:: PQ :: |
| Mimi Paley | 2.18 | Little Buffy | Killed by Death |
| Andrew Palmer | 2.03 | Lean Boy | School Hard |
| James Parks | 2.12 | Tector Gorch | Bad Eggs |
| Kelly Parver | 6.11 | Girl in Park | Gone |
| Jake Patellis | 2.20 | Dodd McAlvy | Go Fish |
| Adam Paul | 6.15 | Skanky Vamp | As You Were |
| Jarrad Paul | 2.07 | Diego | Lie to Me |
| Elizabeth Penn Payne | 4.12 | Waitress | A New Man |
| Natasha Pearce | 1.09 | Lisa | The Puppet Show |
| Evie Peck | 4.01 | Angry Girl | The Freshman |
| Torry Pendergrass | 5.06 | Demon | Family |
| Kal Penn | 4.05 | Hunt | Beer Bad |
| Max Perlich | 2.21 | Whistler | Becoming, Part One; Becoming, Part Two |
| Megahn Perry | 2.15 | Theresa Klusmeyer | Phases |
| Danielle Pessis | 4.18 | Christie | Where the Wild Things Are |
| Mark Phelan | 1.11 | Agent Doyle | Out of Mind, Out of Sight |
| Jake Phillips | 4.05 | Kip | Beer Bad |
| Brian Pietro | 1.10 | Coach | Nightmares |
| Barbara Pilavin | 3.01 | Old woman | Anne |
| Patricia Place | 3.15 | Woman in Alley | Consequences |
| Joanie Pleasant | 2.03 | Helpless Girl | School Hard |
| Jack Plotnick | 3.05 | Allan Finch, Deputy Mayor | Homecoming; Lovers Walk; Bad Girls; Consequences |
| Stephen M. Porter | 4.05 | Jack | Beer Bad |
| Jason Posey | 2.05 | Linebacker | Reptile Boy |
| Brian Poth | 2.19 | Fighting Boy | I Only Have Eyes For You |
| Amy Powell | 3.15 | TV news reporter | Consequences; Goodbye Iowa; Who Are You |
| Dave Power | 6.06 | Zach | All The Way |
| Eric Prescott | 6.13 | Cop #2 | Dead Things |
| Nicole Prescott | 1.03 | Lishanne | The Witch |
| Erin Leigh Price | 5.09 | Vampire Chick | Listening to Fear |
| Jackson Price | 1.04 | Blayne | Teacher's Pet |
| Karim Price | 5.20 | Knight | Spiral |
| Shawn Pyfrom | 3.11 | Little Boy | Gingerbread |
:: R :: |
| Ryan Raddatz | 6.15 | Todd | As You Were |
| Mike Rad | 4.01 | Rookie | The Freshman |
| Dominic Rambaran | 6.06 | Paramedic #1 | All The Way |
| Kevin Rankin | 5.06 | Donny Maclay | Family |
| Steve Rankin | 5.06 | Mr. Maclay | Family |
| Jeremy Ratchford | 2.12 | Lyle Gorch | Bad Eggs; Homecoming |
| Brian Reddy | 2.03 | Police Chief Bob | School Hard; I Only Have Eyes For You |
| Kavan Reece | 6.06 | Justin | All The Way |
| Jason Reed | 3.19 | Vamp Guard | Choices |
| Michael Earl Reid | 2.08 | Custodian | The Dark Age |
| Rock Reiser | 6.13 | Desk Sergeant | Dead Things |
| David Reivers | 5.03 | Foreman | The Replacement |
| Andrew Reville | 6.12 | Timothy | Doublemeat Palace |
| Larissa Reynolds | 4.04 | Present Girl | Fear, Itself |
| Jeff Ricketts | 4.15 | Weatherby | This Year's Girl; Who Are You |
| Richard Riehle | 2.21 | L.A. Watcher | Becoming, Part One |
| Robin Riker | 1.03 | Catherine | The Witch |
| Scott Rinker | 4.01 | R.A. | The Freshman |
| John Ritter | 2.11 | Ted | Ted |
| Burke Roberts | 1.09 | Marc | The Puppet Show |
| Jeremy Roberts | 3.03 | Kakistos | Faith, Hope, and Trick |
| Leonard Roberts | 4.07 | Forrest Gates | The Initiative; Pangs; Hush; Doomed; The I in Team; Goodbye Iowa; This Year's Girl; Who Are You; Where the Wild Things Are; New Moon Rising; The Yoko Factor; Primeval |
| Hal Robinson | 3.21 | Professor Lester Worth | Graduation Day, Part One |
| Kali Rocha | 5.07 | Cecily Addams | Fool For Love |
| 6.12 | Halfrek | Doublemeat Palace; Older And Far Away; Hell's Bells; Entropy; Lessons; Selfless |
| Kate Rodger | 3.07 | Paramedic | Revelations |
| Channon Roe | 3.13 | Jack | The Zeppo |
| Lauren Roman | 3.18 | Nancy | Earshot |
| Marc Rose | 4.04 | Josh | Fear, Itself |
| John Rosenfeld | 3.21 | Vamp Lackey #2 | Graduation Day, Part One |
| Franc Ross | 6.01 | Razor | Bargaining, Part One; Bargaining, Part Two |
| Justin Jon Ross | 1.06 | Joey | The Pack |
| Marcie Lynn Ross | 7.04 | Dead Woman | Help |
| Patty Ross | 1.10 | Cool Guy's Mom | Nightmares |
| Henrik Rosvall | 2.04 | Sven | Inca Mummy Girl |
| Patty Ross | 1.10 | Cool Guy's Mom | Nightmares |
| Laura Roth | 6.14 | Sophie | Older And Far Away |
| Will Rothhaar | 2.07 | James | Lie to Me |
| Susan Ruttan | 6.11 | Doris Kroeger | Gone |
| Jamison Ryan | 1.08 | Fritz | I Robot, You Jane |
:: S :: |
| Wayne Sable | 4.10 | Freshman | Hush |
| Robin Sachs | 2.06 | Ethan Rayne | Halloween; The Dark Age; Band Candy; A New Man |
| Anthony Sago | 6.06 | Paramedic #2 | All The Way |
| Eric Saiet | 2.09 | Dalton | What's My Line, Part One; Surprise |
| John Saint Ryan | 4.17 | Colonel George Haviland | Superstar |
| Casey Sander | 6.16 | Tony Harris | Hell's Bells |
| John Sarkisan | 5.05 | Old Monk | No Place Like Home |
| Meredith Salenger | 2.19 | Grace Newman | I Only Have Eyes For You |
| Rick Scarry | 4.16 | Sergeant | Who Are You |
| Marita Schaub | 5.01 | Vampire Girl #1 | Buffy vs. Dracula |
| Marybeth Scherr | 7.05 | Villager #2 | Selfless |
| Vincent Schiavelli | 2.13 | Jenny's Uncle | Surprise; Innocence |
| Michael Schoenfeld | 3.19 | Security Guard #1 | Choices |
| Sarah Scivier | 6.17 | Nurse | Normal Again |
| Lorna Scott | 2.16 | Miss Beakman | Bewitched, Bothered, and Bewildered |
| Denice J. Sealy | 4.01 | Student Volunteer | The Freshman |
| Tony Sears | 2.08 | Morgue Attendant | The Dark Age |
| Nell Shanahan | 5.14 | Waitress | Crush |
| Kaycee Shank | 4.05 | College Kid #2 | Beer Bad |
| Jeffrey Sharmay | 4.18 | Drowning Boy | Where the Wild Things Are |
| Damon Sharp | 1.08 | Male student | I Robot, You Jane |
| Mary Sheldon | 5.20 | Nurse | Spiral |
| Parry Shen | 2.14 | Student | Innocence |
| Noor Shic | 5.17 | Lady with Rosary | Forever |
| Armin Shimerman | 1.09 | Principal Snyder | The Puppet Show; Out of Mind, Out of Sight; When She Was Bad; School Hard; Halloween; What's My Line, Part One; I Only Have Eyes For You; Go Fish; Becoming, Part One; Becoming, Part Two; Dead Man's Party; Faith, Hope, and Trick; Band Candy; Gingerbread; Doppelgängland; Choices; Graduation Day, Part One; Graduation Day, Part Two; Restless |
| Jennifer Shon | 6.05 | Rachel | Life Serial; Selfless |
| Jane Silvia | 4.01 | Conservative Woman | The Freshman |
| Mark Silverberg | 4.01 | Passing Student | The Freshman |
| Matt Sims | 6.07 | College Guy #1 | Once More, With Feeling |
| Melanie Sirmons | 6.09 | Brie | Smashed |
| Jimmie F. Skaggs | 3.19 | Courier | Choices |
| Beth Skipp | 7.04 | unspecified | Help |
| Alex Skuby | 3.14 | Vincent | Bad Girls |
| Jennifer Sky | 1.06 | Heidi | The Pack |
| Azura Skye | 7.04 | Cassie Newton | Help |
| Jennifer Slimko | 5.01 | Vampire Girl #3 | Buffy vs. Dracula |
| Jeffrey Steven Smith | 1.02 | Guy in Computer Class |
The Harvest |
| 1.06 | Adam | The Pack |
| Kelly Smith | 6.09 | Innocent Girl | Smashed |
| Lyndon Smith | 6.11 | Little Boy | Gone |
| Michael Bailey Smith | 5.3 | Toth | The Replacement |
| Daniel Spanton | 7.05 | Viking #1 | Selfless |
| Sabrina Speeer | 6.06 | Girl | All The Way |
| Jordana Spiro | 2.05 | Callie | Reptile Boy |
| Angelo Spizzirri | 2.02 | Chris | Some Assembly Required |
| Chad Stahelski | 3.05 | Kulak | Homecoming |
| Todd Stashwick | 6.04 | M'Fashnick Demon | Flooded |
| Rick Stear | 4.16 | Booke | Who Are You |
| Jack Stehlin | 4.13 | Dr. Angleman | The I in Team; Goodbye Iowa; Primeval |
| Skip Stellrecht | 1.11 | Agent Manetti | Out of Mind, Out of Sight |
| James Stephens | 1.06 | Zookeeper | The Pack |
| Paul Morgan Stetler | 3.02 | Young doctor | Dead Man's Party |
| Peg Stewart | 3.06 | Ms. Barton | Band Candy |
| Rainy Jo Stout | 5.10 | Junkie Vampire Girl | Into the Woods |
| Natalie Strauss | 1.01 | Teacher | Welcome to the Hellmouth |
| Danny Strong | 2.04 | Jonathan | Inca Mummy Girl; Reptile Boy; What's My Line, Part Two; Bad Eggs; Passion; Go Fish; Dead Man's Party; Homecoming; The Wish; Earshot; The Prom; Graduation Day, Part Two; Superstar; Flooded; Life Serial; Smashed; Gone; Dead Things; Normal Again; Entropy; Seeing Red; Villains; Two To Go; Grave |
| Ken Strunk | 7.01 | Dead Janitor | Lessons |
| Jack Sundmacher | 7.02 | Ronnie | Beneath You |
| Kristine Sutherland | 1.01 | Joyce Summers | Welcome to the Hellmouth; The Harvest; The Witch; Angel; The Puppet Show; Nightmares; Prophecy Girl; When She Was Bad; School Hard; Inca Mummy Girl; Ted; Bad Eggs; Surprise; Innocence; Bewitched, Bothered, and Bewildered; Passion; Killed by Death; Becoming, Part One; Anne; Dead Man's Party; Faith, Hope, and Trick; Band Candy; Lovers Walk; Amends; Gingerbread; Helpless; Bad Girls; Consequences; Enemies; Earshot; Choices; The Prom; Graduation Day, Part One; The Freshman; Fear, Itself; This Year's Girl; Who Are You; Restless; Buffy vs. Dracula; Real Me; The Replacement; Out Of My Mind; No Place Like Home; Fool For Love; Shadow; Listening to Fear; Into the Woods; Triangle; Checkpoint; Blood Ties; Crush; I Was Made to Love You; The Body; The Weight of the World; The Body; Normal Again |
| Taylor Sutherland | 7.05 | Villager #1 | Selfless |
| Blake Swendson | 3.11 | Michael | Gingerbread |
:: T :: |
| Annie Talbot | 5.17 | Lady with Baby | Forever |
| Amber Tamblyn | 6.06 | Janice | All The Way |
| Daniel Tamm | 3.11 | "Mooster" | Gingerbread |
| Ryan Taszreak | 2.19 | Ben | I Only Have Eyes For You |
| Andrea E. Taylor | 3.20 | Salesgirl | The Prom |
| Lindsay Taylor | 3.11 | Little Girl | Gingerbread |
| Brian Tee | 5.06 | Intern | Family |
| Tod Thawley | 4.08 | Hus | Pangs |
| Jack Thomas | 5.12 | Council Member #4 | Checkpoint |
| Serena Scott Thomas | 3.07 | Gwendolyn Post | Revelations |
| Brian Thompson | 1.01 | Luke | Welcome to the Hellmouth; The Harvest |
| 2.13 | The Judge | Surprise; Innocence |
| Randy Thompson | 5.09 | Doctor Kriegel | Listening to Fear; Into the Woods; The Body |
| Ken Thorley | 2.11 | Neal | Ted |
| John Timmons | 7.05 | Viking #2 | Selfless |
| Chad Todhunter | 3.01 | Rickie | Anne |
| Alex Toma | 3.01 | Aaron | Anne |
| Scott Torrence | 3.13 | Dickie | The Zeppo |
| Mageina Tovah | 6.10 | Jonesing Girl | Wrecked |
| Katharine Towne | 4.01 | Sunday | The Freshman |
| Jessica Townsend | 4.10 | Wanna Blessed Be | Hush |
| Camden Toy | 4.10 | Gentleman | Hush |
| 7.03 | Gnarl | Same Time, Same
Place |
| Michelle Trachtenberg | 5.01 | Dawn Summers | Seasons 5-7 |
| Stephen Triplett | 6.08 | Vamp #2 | Tabula Rasa |
| Elizabeth Truax | 4.10 | Little Girl | Hush |
| David Tuckman | 4.02 | Freshman | Living Conditions |
| Brian Turk | 5.02 | Turk | Real Me |
:: U :: |
| Andy Umberger | 3.16 | D'Hoffryn | Doppelgängland; Something Blue; Hell's Bells; Selfless |
| Stefan Umstead | 5.16 | Paramedic #2 | The Body |
| Justin Urich | 1.10 | Wendel | Nightmares |
:: V :: |
| Sara Van Horn | 4.15 | Older Nurse | This Year's Girl |
| Musetta Vander | 1.04 | Miss Natalie French | Teacher's Pet |
| Greg Vaughn | 2.05 | Richard | Reptile Boy |
| Alice Dinnean Vernon | 6.05 | Mummy Hand | Life Serial |
| 6.15 | Baby Demon Puppeteer | As You Were |
| Michael Ross Verona | 1.04 | Teacher | Teacher's Pet |
| Jordi Vilasuso | 4.21 | Dixon | Primeval |
| Megan Vint | 6.16 | Karen | Hell's Bells |
| Elyssa D. Vito | 5.13 | Young Dawn | Blood Ties |
| Robert D. Vito | 6.01 | Cute Boy | Bargaining, Part One |
| William Vogt | 4.08 | Jamie | Pangs |
:: W :: |
| Brett Wagner | 6.22 | Trucker | Grave |
| Thomas G. Waites | 2.22 | Second cop | Becoming, Part One |
| Paul Walia | 5.15 | Friend | I Was Made to Love You |
| George D. Wallace | 6.16 | Future Xander | Hell's Bells |
| Patrice Walters | 6.09 | Woman | Smashed |
| Kelly Lynn Warren | 6.01 | Parent #2 | Bargaining, Part One |
| Michael Warren | 6.17 | Doctor | Normal Again |
| Andrew Cooper Wasser | 6.05 | Slime-cover Demon | Life Serial |
| Wendy Way | 2.08 | Dierdre | The Dark Age |
| Greg Wayne | 5.14 | Student | Crush |
| Daniel Weaver | 6.07 | Handsome Young Man | Once More, With Feeling |
| Melina Webberley | 6.11 | Little Girl | Gone |
| Charlie Weber | 5.04 | Ben | Out Of My Mind; No Place Like Home; Family; Shadow; Listening to Fear; Checkpoint; Blood Ties; Crush; I Was Made to Love You; Forever; Tough Love; Spiral; The Weight of the World; The Gift |
| AJ Wedding | 7.04 | Red Robed #2 | Help |
| Danielle Weeks | 3.04 | Debbie | Beauty and the Beasts |
| Adam Weiner | 6.09 | Simon | Smashed |
| Kevin Weisman | 5.08 | Dreg | Shadow; Listening to Fear; Checkpoint |
| Shannon Welles | 2.21 | Gypsy woman | Becoming, Part One |
| James Wellington | 5.05 | Night Watchman | No Place Like Home |
| David Wells | 4.22 | Cheese Guy | Restless |
| Richard Werner | 1.09 | Morgan | The Puppet Show |
| Charles Wesley | 1.07 | Meanest Vamp | Angel |
| Shane West | 2.20 | Sean | Go
Fish |
| Richard Wharton | 6.02 | Home Owner | Bargaining, Part Two |
| April Wheedon-Washington | 5.07 | Subway Slayer | Fool For Love |
| Joshua Wheeler | 4.05 | Driver | Beer Bad |
| Barbara K. Whinnery | 1.06 | Mrs. Anderson | The Pack |
| Geordie White | 6.08 | Vamp #1 | Tabula Rasa |
| Gregory White | 1.06 | Coach Herrold | The Pack |
| John Patrick White | 3.04 | Pete | Beauty and the Beasts |
| Persia White | 1.01 | Girl #3 | Welcome to the Hellmouth |
| Eric Whitmore | 2.12 | Night watchman | Bad Eggs |
| Christopher Wiehl | 1.05 | Owen | Never Kill a Boy on the First Date |
| Ginger Williams | 2.21 | Girl | Becoming, Part One |
| Spice Williams | 2.10 | Patrice | What's My Line, Part One |
| Sulo Williams | 4.04 | Chaz | Fear, Itself |
| Wade Andrew Williams | 5.20 | General Gregor | Spiral |
| Amanda Wilmshurst | 1.03 | Senior cheerleader | The Witch |
| 2.02 | Cheerleader | Some Assembly Required |
| Jeff Wilson | 4.18 | Evan | Where the Wild Things Are |
| Kristen Winnicki | 2.04 | Gwen | Inca Mummy Girl |
| 2.16 | Cordette | Bewitched, Bothered, and Bewildered |
| Time Winters | 5.04 | Initiative Doctor | Out Of My Mind |
| Ashleigh Ann Wood | 6.16 | Sara age 18 | Hell's Bells |
| Zachary Woodlee | 6.07 | Demon/Henchman | Once More, With Feeling |
| DB Woodside | 7.01 | Principal Wood | Lessons; Beneath You; Help |
| Dawn Worrall | 6.06 | Christy | All The Way |
| Wendy Worthington | 3.18 | Lunch Lady | Bewitched, Bothered, and Bewildered; Earshot |
| Tom Wyner | 1.09 | Sid's voice | The Puppet Show |
:: XY :: |
| Emmanuel Xuereb | 5.10 | Vamp | Into the Woods |
| Harrison Young | 3.01 | Old man | Anne |
| Michael Younger | 6.21 | Truck driver | Two To Go |
| Dell Yount | 3.01 | Truck guy | Anne |
| Harris Yulin | 3.12 | Quentin Travers | Helpless |
:: Z :: |
| Scot Zeller | 6.07 | Henchman | Once More, With Feeling |
| David Zepeda | 7.01 | Carlos Trejo | Lessons |
| Rick Zieff | 2.12 | Mr. Whitmore | Bad Eggs |
| Craig Zimmerman | 5.22 | Minion #1 | The Gift |
| Michael Zlabinger | 3.20 | Student at Mike | The Prom |
| Harley Zumbrum | 3.01 | Demon guard | Anne |