
| Trey Parker | ... | Eric Cartman / ... (166 episodes, 1997-2008) |

| Matt Stone | ... | Kyle Broflovski / ... (164 episodes, 1997-2008) |

| Isaac Hayes | ... | Chef (136 episodes, 1997-2005) |
 | Mona Marshall | ... | Sheila Broflovski / ... (79 episodes, 2000-2008) |
 | Eliza Schneider | ... | Additional Voices / ... (50 episodes, 1999-2003) |
 | April Stewart | ... | Liane Cartman / ... (34 episodes, 2004-2008) |

| Jennifer Howell | ... | Bebe Stevens / ... (33 episodes, 1997-2007) |
 | Mary Kay Bergman | ... | Liane Cartman / ... (31 episodes, 1997-1999) |
 | Adrien Beard | ... | Token Williams / ... (25 episodes, 2000-2007) |
 | Kyle McCulloch | ... | Gary / ... (13 episodes, 2000-2006) |
 | John 'Nancy' Hansen | ... | Mr. Slave / ... (12 episodes, 2001-2005) |
 | Nico Agnone | ... | Filmore Anderson / ... (9 episodes, 1999-2004) |
 | Milan Agnone | ... | Additional Voices / ... (8 episodes, 1999-2003) |
 | Gracie Lazar | ... | Liane Cartman / ... (8 episodes, 2005-2006) |

| Jonathan Kimmel | | (7 episodes, 2005-2006) |

| Toddy Walters | ... | Additional Voices / ... (7 episodes, 1998-1999) |
 | Jessie Thomas | ... | Various (6 episodes, 2004-2007) |

| Spencer Lacey Ganus | | (5 episodes, 2002-2004) |
 | Bruce Howell | ... | Mr. Wyland / ... (5 episodes, 1998-2003) |
 | Vernon Chatman | ... | Towelie / ... (5 episodes, 2001-2006) |
 | Dimitri Mendoza | ... | Ike Broflovski (5 episodes, 2005-2006) |
 | Toby Morton | ... | Additional Voices (5 episodes, 2001-2003) |
 | Pam Brady | ... | Pam - Butt-Out Member / ... (4 episodes, 1999-2003) |

| Dian Bachar | ... | Chris / ... (4 episodes, 1998-2000) |
 | Dee Dee Green | ... | Miss Information (3 episodes, 2000) |
 | Paula Holmberg | | (3 episodes, 2004-2007) |

| Jessica Makinson | ... | Ferrari / ... (3 episodes, 2002-2003) |
 | Jesse Howell | ... | Ike Broslofski / ... (3 episodes, 1997-1998) |

| Jane Bussmann | | (2 episodes, 2006) |
 | Dante Alexander | ... | Blanket (2 episodes, 2004) |
 | Anne Garefino | ... | Sister Anne (2 episodes, 2000) |
 | Rochelle Leffler | ... | Additional Voices (2 episodes, 1999-2004) |
 | Eric Stough | | (2 episodes, 2002-2004) |
 | Eldridge 'El Hud' Hudson | ... | Biggie Smalls (2 episodes, 2003-2006) |

| Jay Leno | ... | Himself / ... (2 episodes, 1998) |
 | Kief Davidson | | (2 episodes, 2000) |

| Dakota Sky | | (2 episodes, 2004) |
 | Tom Vogt | ... | The Frizzie (2 episodes, 1999-2002) |

| Michael Ann Young | ... | Missionary / ... (2 episodes, 1999) |
|
| Eric Stough | .... | animation director / animator (77 episodes, 1997-2007) |
| Dave Koch | .... | animator / lip sync artist (70 episodes, 1997-2008) |
| Anthony Sant'Anselmo | .... | lip sync animator / lip sync artist (65 episodes, 2003-2008) |
| Andy Arett | .... | animator / key animator / ... (64 episodes, 1998-2008) |
| Jack Shih | .... | animator / lead animator / ... (63 episodes, 1999-2008) |
| Toni Wurts | .... | animation supervisor / animator / ... (62 episodes, 1997-2005) |
| James Dion | .... | lip sync artist (60 episodes, 1998-2008) |
| Scott Oberholtzer | .... | animator / assistant: director of animation (60 episodes, 1998-2008) |
| Ryan Quincy | .... | lead animator / animation supervisor / ... (60 episodes, 1999-2008) |
| Michelle Burry | .... | animator (56 episodes, 1998-2006) |
| Chris 'Crispy' Brion | .... | animator / key animator / ... (55 episodes, 1997-2007) |
| Matt Brown | .... | animator (46 episodes, 1998-2005) |
| Jason Lopez | .... | animator (46 episodes, 2000-2008) |
| Todd Benson | .... | animator (41 episodes, 2001-2008) |
| David Thergood Jr. | .... | lip sync artist (39 episodes, 1998-2003) |
| Vickie Mendoza | .... | lip sync artist (38 episodes, 2001-2008) |
| Jonathan Robert | .... | lip sync artist (37 episodes, 2001-2008) |
| Brian Gabriel | .... | lip sync artist (35 episodes, 2002-2008) |
| Carlos Palazio | .... | animator (30 episodes, 1997-2000) |
| James Sant'Anselmo | .... | lip sync artist (29 episodes, 1997-2000) |
| Neil Ishimine | .... | animator (29 episodes, 2000-2008) |
| Sabrina Mar | .... | animator / lip sync artist (28 episodes, 1998-2002) |
| Jessica Coate | .... | lip sync artist (25 episodes, 1998-2001) |
| Holly Wenger | .... | lip sync artist / animator (24 episodes, 1997-2003) |
| Andrew B. Rhoades | .... | animator (24 episodes, 2005-2008) |
| Angi Glenn | .... | animator / lip sync artist (23 episodes, 1997-2001) |
| Daniel Lindsey | .... | lip sync artist (23 episodes, 1998-2001) |
| Peter Merryman | .... | animator (21 episodes, 1998-2000) |
| Graham Hoof | .... | lead animator / animator (21 episodes, 1998-1999) |
| Jennifer M. Allen | .... | lip sync artist (18 episodes, 1997-2000) |
| Jackie Watson | .... | animator (18 episodes, 1997-1999) |
| Karen Knight | .... | animator (17 episodes, 2002-2004) |
| Amy Haber | .... | lip sync artist (16 episodes, 2001-2003) |
| John Ercek | .... | lip sync artist (15 episodes, 2000) |
| Raynaud Moreno | .... | lip sync artist (15 episodes, 2000) |
| Warren Fuller | .... | animator (14 episodes, 1997-1998) |
| Ivy Panlilio | .... | lip sync artist (14 episodes, 1997-1998) |
| Amy Winfrey | .... | animator / lip sync artist (14 episodes, 1997-1998) |
| Annie Combs | .... | lip sync artist (14 episodes, 1998-2000) |
| John Luciano | .... | animator (12 episodes, 2006-2008) |
| Martin Cendreda | .... | animator (11 episodes, 1997-1998) |
| Heather R. Wilbur | .... | lip sync artist (10 episodes, 1997-1998) |
| John 'Nancy' Hansen | .... | lip sync artist (10 episodes, 1998-2000) |
| Junichi Nishimura | .... | animator (10 episodes, 2006-2008) |
| Edgar Tellez | .... | animator (10 episodes, 2006-2008) |
| Rachel Flowers | .... | lip sync artist (9 episodes, 2002-2003) |
| David Bondi | .... | animator (8 episodes, 2005-2006) |
| Robert Judd | .... | lip sync artist (7 episodes, 1998-1999) |
| Kira Lutes | .... | assistant: director of animation (7 episodes, 1999-2000) |
| Whitney Looff | .... | lip sync artist (5 episodes, 2000) |
| Sterling Sheehy | .... | lip sync artist (5 episodes, 2000) |
| Johnny Sweeney | .... | lip sync artist (5 episodes, 2004) |
| Melissa Medrano | .... | lip sync artist (4 episodes, 1997-1998) |
| Stephanie Herron | .... | assistant: director of animation (4 episodes, 1998-1999) |
| Jason Timss | .... | lip sync artist (4 episodes, 1998-1999) |
| Paul Trainor | .... | lip sync artist (4 episodes, 1998-1999) |
| Joe Romero | .... | lip sync artist (4 episodes, 2002) |
| Lesley Hur | .... | animator (4 episodes, 2007-2008) |
| Kevin Carney | .... | animator (3 episodes, 1998-1999) |
| Wendell Lee | .... | animator (3 episodes, 1998-1999) |
| Judy Kriger | .... | animator (3 episodes, 1998) |
| Steve Kindernay | .... | lip sync artist (2 episodes, 1998) |
| Alfonso Alpuerto | .... | lip sync artist (2 episodes, 1999) |
| Jeff Gill | .... | animator (2 episodes, 2008) |
| Nora Quinn | .... | animator (2 episodes, 2008) |
|
| Olivier Katz | .... | animation producer: Celluloid Studios (unknown episodes) |
| James Wahlberg | .... | animation producer: Celluloid Studios (unknown episodes) |
| |
|
| J.J. Franzen | .... | technology supervisor / systems administrator / ... (66 episodes, 1998-2008) |
| Pam Brady | .... | consultant / creative consultant (64 episodes, 1997-2007) |
| Steve Neuvenheim | .... | assistant production accountant / production accountant (61 episodes, 1998-2008) |
| Erick Thorpe | .... | licensing artist (60 episodes, 1998-2008) |
| Alecia Shyngle | .... | production accountant (59 episodes, 1997-2005) |
| Mark Munley | .... | script supervisor / production coordinator / ... (58 episodes, 1998-2008) |
| Sean Laverty | .... | systems administrator / technology supervisor (52 episodes, 1997-2003) |
| Wonnie Jung | .... | technical director (45 episodes, 1997-2003) |
| Gil Nevo | .... | technical director / key technical director (45 episodes, 2000-2007) |
| Kenny Hotz | .... | consultant (42 episodes, 2004-2006) |
| Melanie Stimmell | .... | technical director (41 episodes, 1999-2005) |
| Joseph Gerges | .... | technical director (37 episodes, 1998-2004) |
| Toni Wurts | .... | technical supervisor / location scout (35 episodes, 1998-2005) |
| Jenny Shin | .... | technical director / lead technical director (34 episodes, 1998-2002) |
| Jenny Yu | .... | lead technical director / supervising technical director (33 episodes, 2002-2008) |
| Charles Song | .... | assistant to executive producer / production assistant (32 episodes, 1999-2002) |
| Omar Smith | .... | technical director / technical research and development (31 episodes, 1998-2002) |
| Amir Bahadori | .... | technical director (31 episodes, 1999-2003) |
| Melissa Morvant | .... | office coordinator / production assistant (30 episodes, 1997-2000) |
| James Valladao | .... | supervising technical director / technical director (30 episodes, 1997-2000) |
| Jon Singer | .... | lead technical director / technical director / ... (28 episodes, 1997-2000) |
| Javier Bello | .... | technical director (28 episodes, 2000-2004) |
| Vernon Chatman | .... | consultant (27 episodes, 2001-2007) |
| Peter Merryman | .... | technical director (24 episodes, 1997-2005) |
| Keith Nesson | .... | email/internet/electronic information officer (24 episodes, 2004-2008) |
| Wonnie Ro | .... | key technical director / technical director / ... (24 episodes, 2004-2008) |
| Susan Hurwitz Arneson | .... | consultant (23 episodes, 2006-2008) |
| Breayle Riess | .... | web master (22 episodes, 2001-2004) |
| Daniel Lindsey | .... | technical director (21 episodes, 2001-2004) |
| Melissa Hawkins | .... | technical director (21 episodes, 2006-2007) |
| Chris Fria | .... | technical director / technical research and development (20 episodes, 1998-2001) |
| Elaine Kim | .... | technical director (20 episodes, 1998-2000) |
| Adrien Beard | .... | production artist supervisor (20 episodes, 2001-2006) |
| Jessica Coate | .... | technical director (20 episodes, 2002-2005) |
| Kurt Nickels | .... | assistant to executive producer (20 episodes, 2004-2007) |
| Jonathan Kimmel | .... | consultant (20 episodes, 2005-2007) |
| Jeff Delgado | .... | technical director (18 episodes, 2005-2008) |
| Daniel Patao | .... | technical director (18 episodes, 2005-2008) |
| Nate Pellettieri | .... | assistant production coordinator / production assistant (18 episodes, 2005-2008) |
| Johnny Sweeney | .... | technical director (18 episodes, 2005-2008) |
| Angela De La Garza | .... | production assistant / assistant production accountant (17 episodes, 2000-2001) |
| Jefferson O.S. Brassfield | .... | production assistant / office coordinator (17 episodes, 2000) |
| Nicole Filiatrault | .... | technical director (17 episodes, 2005-2008) |
| Jeffrey Gulan | .... | technical director (17 episodes, 2005-2008) |
| Paul Hargrave | .... | technical director (17 episodes, 2005-2008) |
| Peder Lester | .... | technical director (17 episodes, 2005-2008) |
| Byron Lopez | .... | technical director (17 episodes, 2005-2008) |
| Kyle McCulloch | .... | consultant (16 episodes, 2003-2005) |
| Kirstin Moser | .... | production accountant (16 episodes, 2005-2008) |
| R. Emmett Sibley | .... | production assistant (16 episodes, 2005-2008) |
| Paul Shomer | .... | script supervisor (15 episodes, 1997-1998) |
| Newton Cox | .... | production assistant (15 episodes, 2001-2003) |
| Josh Fogel | .... | production office coordinator (15 episodes, 2001-2003) |
| Ben Paine | .... | assistant to executive producer / production coordinator (15 episodes, 2003-2008) |
| Chris Romano | .... | production assistant / assistant to writer / ... (14 episodes, 2001-2003) |
| Christian Vigeland | .... | production assistant (14 episodes, 2001-2003) |
| Kevin Jakubowski | .... | production assistant (14 episodes, 2004-2006) |
| Erin Kurtz | .... | production assistant (14 episodes, 2005-2006) |
| Jonathan Abraham | .... | production assistant / assistant to executive producer (13 episodes, 2002-2004) |
| Mike McMahan | .... | production assistant (13 episodes, 2007-2008) |
| Erica Rivinoja | .... | consultant (12 episodes, 2003-2005) |
| Ryan Quincy | .... | technical supervisor (11 episodes, 2006-2007) |
| Eric Bucchare | .... | production assistant (10 episodes, 2000) |
| Garnet Stevens | .... | production assistant (10 episodes, 2000) |
| Matt Prager | .... | consultant (10 episodes, 2001-2002) |
| Mun Pook Lui | .... | technical director (10 episodes, 2002-2004) |
| Holly Wenger | .... | technical director (10 episodes, 2003-2005) |
| Tim Calpin | .... | production assistant / assistant to executive producer (10 episodes, 2004-2006) |
| Jennifer Sieck | .... | technical director (9 episodes, 1998-2000) |
| Karin Perrotta | .... | production coordinator / production assistant (9 episodes, 1998-1999) |
| Craig Cooney | .... | technical director (9 episodes, 2000) |
| Paula Holmberg | .... | office manager (9 episodes, 2003-2005) |
| Christina Yeung | .... | technical director (9 episodes, 2006-2008) |
| Ana Wolovick | .... | technical director (8 episodes, 1997-1998) |
| Alison Cowan | .... | production assistant (8 episodes, 2001-2002) |
| Sam Woolley | .... | production assistant (8 episodes, 2003-2005) |
| Dariush Derakhshani | .... | technical director / supervising technical director (7 episodes, 1997-1998) |
| Benjamin Gilberg | .... | assistant to executive producer (7 episodes, 1999-2000) |
| Shawna Soper | .... | production assistant (7 episodes, 1999-2000) |
| Michael O'Connor | .... | assistant to executive producer (7 episodes, 2006-2008) |
| Alan Yang | .... | consultant (7 episodes, 2006) |
| B. Ian Hayden | .... | technical director (6 episodes, 1997) |
| Andrew Orloff | .... | technical director (6 episodes, 1997) |
| Lori Gilmour | .... | technical director (6 episodes, 1998-2000) |
| Shish Aikat | .... | technical director (6 episodes, 2002-2005) |
| Darren Held | .... | production assistant (5 episodes, 1997) |
| David Niles White | .... | technical consultant (5 episodes, 1997) |
| Amanda Crockett | .... | production assistant (5 episodes, 2000) |
| Max Hof | .... | assistant to executive producer (5 episodes, 2000) |
| John Shertz | .... | production assistant (5 episodes, 2000) |
| Joey Toth | .... | production assistant (5 episodes, 2004) |
| Ellen Dunn | .... | production coordinator (5 episodes, 2005) |
| Katie Mowatt | .... | production assistant (5 episodes, 2005) |
| Tom Vogt | .... | technical director (5 episodes, 2005) |
| Patrick Scouler | .... | production assistant (5 episodes, 2006) |
| Andrew Kemler | .... | production assistant / production coordinator (4 episodes, 1997-1998) |
| Melinda Carson | .... | assistant to executive producer (4 episodes, 1998-1999) |
| David List | .... | production coordinator (4 episodes, 1998-1999) |
| Andrea Villasor | .... | production assistant (4 episodes, 1999) |
| Tricia Wilk | .... | production secretary (4 episodes, 2001) |
| Philip Stark | .... | production assistant (3 episodes, 1997) |
| Margie Stubbs | .... | technical director (3 episodes, 1998) |
| Tom Stamatio | .... | production assistant (3 episodes, 1999) |
| Josh Lobis | .... | consultant (3 episodes, 2002) |
| Darin Moiselle | .... | consultant (3 episodes, 2002) |
| Carra Graziadio | .... | production assistant (3 episodes, 2003) |
| Jane Bussmann | .... | consultant (3 episodes, 2006) |
| Vincent DeLay | .... | technical director (3 episodes, 2006) |
| Dave Tennant | .... | consultant (3 episodes, 2006) |
| Bruna Menezes White | .... | technical director (3 episodes, 2007-2008) |
| Brad Neely | .... | consultant (3 episodes, 2007) |
| Herman Cheng | .... | technical director (2 episodes, 1997) |
| Peter Atherton | .... | production assistant (2 episodes, 1998) |
| Heather Ganziano | .... | production assistant (2 episodes, 1998) |
| John 'Nancy' Hansen | .... | production coordinator (2 episodes, 1999) |
| Rob Howard | .... | technical director (2 episodes, 1999) |
| Pam Kipp | .... | technical director (2 episodes, 2001) |
| Valentin Sinlao | .... | technical director (2 episodes, 2001) |
| Chance Miller | .... | production assistant (2 episodes, 2002) |
| Norman Lear | .... | consultant (2 episodes, 2003) |
| Bill Wohlken | .... | assistant to executive producer (2 episodes, 2003) |
| David Badgerow | .... | technical director (2 episodes, 2008) |
| Kevin Biegel | .... | consultant (2 episodes, 2008) |
| David Lenna | .... | r&d engineer (2 episodes, 2008) |
| Gary Martinez | .... | production assistant (2 episodes, 2008) |
|
| Nicole Papas | .... | development intern (unknown episodes, 1997) |
| Lisa Chader | .... | publicist (unknown episodes, 2003) |
| Charles Hornsby | .... | production assistant (unknown episodes) |
| Greg Postma | .... | production artist supervisor (unknown episodes) |
| Tony Postma | .... | production artist supervisor (unknown episodes) |
| |