 | Artie Esposito | ... | Puppeteer (72 episodes, 2002-2007) |
 | Paul McGinnis | ... | Puppeteer (68 episodes, 2002-2007) |

| Victor Yerrid | ... | Puppeteer (62 episodes, 2002-2005) |
 | Biz Markie | ... | Announcer (42 episodes, 2004-2007) |
 | Fred Armisen | ... | Chip Douglas (13 episodes, 2003-2007) |
 | Lisa Arch | ... | Cammie / ... (12 episodes, 2002-2005) |
 | David Alan Grier | ... | Landanlius 'The Truth' Truefeld / ... (12 episodes, 2002-2005) |

| Jimmy Kimmel | ... | Elmer / ... (9 episodes, 2003-2007) |
 | Jim Florentine | ... | Special Ed / ... (9 episodes, 2003-2007) |
 | Bob Einstein | ... | Tony DeLoge / ... (7 episodes, 2002-2003) |
 | Katie Kimmel | ... | Katie / ... (7 episodes, 2003-2005) |
 | Kevin Kimmel | ... | Kevin / ... (7 episodes, 2003-2005) |
 | Pete Dzoghi | ... | Touch-Tone Terrorists / ... (5 episodes, 2002-2007) |
 | Jordan Rubin | ... | Dr. Premise / ... (5 episodes, 2002-2005) |

| Adam Carolla | ... | Birchum / ... (4 episodes, 2003-2007) |

| Sarah Silverman | ... | Hadassah Guberman (4 episodes, 2003-2007) |

| Dane Cook | ... | Sav McCauley / ... (4 episodes, 2002-2007) |

| Susie Essman | ... | Helen Higgins (4 episodes, 2002-2003) |
 | Patton Oswalt | ... | Boomer (4 episodes, 2002-2003) |

| Seth MacFarlane | ... | Dick Rogers / ... (4 episodes, 2003-2005) |
 | Gilbert Gottfried | ... | George Zucco (3 episodes, 2003) |
 | Robert Smigel | ... | John Tierney / ... (3 episodes, 2003-2007) |

| Wanda Sykes | ... | Gladys / ... (3 episodes, 2002-2003) |
 | Billy West | ... | Confucious / ... (3 episodes, 2002) |
 | Jeff Garlin | ... | Jeff (3 episodes, 2003) |

| Andy Richter | ... | Lloyd (3 episodes, 2004-2005) |

| Drew Carey | ... | Himself / ... (3 episodes, 2005) |

| Drew Pinsky | ... | Himself (2 episodes, 2003) |
 | Tom Kenny | ... | Larson Grier / ... (2 episodes, 2003-2004) |

| Dave Chappelle | ... | Francis / ... (2 episodes, 2002-2007) |

| Jonathan Kimmel | ... | Jon the Businessman / ... (2 episodes, 2003-2007) |

| Jeff Goldblum | ... | Professor Fermstein (2 episodes, 2003-2005) |

| David Cross | ... | Benjamin Dubois / ... (2 episodes, 2003-2004) |

| Michael Ian Black | ... | Al Foster #2 / ... (2 episodes, 2003) |

| Snoop Dogg | ... | Himself (2 episodes, 2003) |

| David Wain | ... | Al Foster #1 / ... (2 episodes, 2003) |

| Seth Green | ... | Russel (2 episodes, 2004-2007) |
 | Ludacris | ... | Himself (2 episodes, 2005) |
 | Lil' Jon | ... | Himself (2 episodes, 2007) |
 | Andy Milonakis | ... | Himself (2 episodes, 2007) |

| Steve-O | ... | Himself (2 episodes, 2007) |
|

| Tracy Morgan | ... | Spoonie Luv (unknown episodes) |
|
| Rob Anderson | .... | supervising producer / producer / ... (72 episodes, 2002-2007) |
| Adam Carolla | .... | executive producer (72 episodes, 2002-2007) |
| Daniel Kellison | .... | executive producer (72 episodes, 2002-2007) |
| Jimmy Kimmel | .... | executive producer (72 episodes, 2002-2007) |
| Jonathan Kimmel | .... | supervising producer / co-executive producer / ... (72 episodes, 2002-2007) |
| BJ Guyer | .... | coordinating producer (62 episodes, 2002-2005) |
| Tony Barbieri | .... | segment producer (42 episodes, 2002-2004) |
| Jason Jordan | .... | segment producer (22 episodes, 2005) |
| Matthew Lawton | .... | segment producer (22 episodes, 2005) |
| Jennifer Dugan | .... | associate producer (11 episodes, 2003) |
| Tim Busa | .... | supervising producer (10 episodes, 2002) |
| Eric Friedman | .... | segment producer (10 episodes, 2002) |
| Paul Raff | .... | segment producer (10 episodes, 2002) |
| Rick Rosner | .... | segment producer (10 episodes, 2002) |
| Akil Anderson | .... | associate producer (8 episodes, 2007) |
| Alexis Loughran | .... | associate producer (8 episodes, 2007) |
|
| Jennifer Saxon Gore | .... | line producer (unknown episodes, 2003-2004) |
| Mark Banker | .... | segment producer (unknown episodes) |
| Brent Bradshaw | .... | associate producer (unknown episodes) |
| Gregory Choa | .... | line producer (unknown episodes) |
| Tony Colon | .... | co-executive producer / supervising producer (unknown episodes) |
| Doug DeLuca | .... | co-executive producer (unknown episodes) |
| Carly Hirsch | .... | art producer (unknown episodes) |
| Chuck LaBella | .... | segment producer (unknown episodes) |
| Brenna C. McCarthy | .... | producer (unknown episodes) |
| Andrew Sipes | .... | associate producer (unknown episodes) |
| Kent Voss | .... | associate producer (unknown episodes) |
| Ethan Zweig | .... | associate producer (unknown episodes) |
| |
|
| Verdelle Lavalle | .... | lead painter (52 episodes, 2003-2005) |
| Nashon Petrushkin | .... | shopper (32 episodes, 2003-2004) |
| Dutch Merrick | .... | property master (28 episodes, 2003-2004) |
| Greg Finnin | .... | property master (22 episodes, 2005) |
| Mike Manasewitsch | .... | on-set dresser / set dresser (17 episodes, 2005) |
| Mark Brooks | .... | on-set dresser (10 episodes, 2002) |
| Carole Simms D'Agostino | .... | puppet builder (4 episodes, 2007) |
| Erik Schindler | .... | set dresser (4 episodes, 2007) |
| Josh Ritcher | .... | set dresser (3 episodes, 2002) |
| Jane Kilkenny | .... | prop shop (3 episodes, 2004) |
|
| David Kolodny-Nagy | .... | design assistant (unknown episodes, 2002) |
| Xavier Corby | .... | on-set dresser (unknown episodes) |
| Chris Davis | .... | set dresser (unknown episodes) |
| Todd Hulin | .... | graphic designer (unknown episodes) |
| Shane Klein | .... | art department (unknown episodes) |
| Joseph Lallement | .... | carpenter (unknown episodes) |
| Kristie Moore | .... | painter decorator (unknown episodes) |
| Brook Shafer | .... | on-set dresser (unknown episodes) |
| Mark Walbaum | .... | art department coordinator (unknown episodes) |
| |
|
| Peter Girardi | .... | puppet designer (72 episodes, 2002-2007) |
| Rebecca McCabe | .... | puppet wrangler (59 episodes, 2002-2007) |
| Blake J. Williger | .... | production assistant (32 episodes, 2003-2004) |
| Tony Strickland | .... | production assistant (22 episodes, 2005) |
| Michael Appel | .... | board operator (10 episodes, 2002) |
| David Blenk | .... | assistant production accountant (10 episodes, 2002) |
| Jeffrey Angulo | .... | accounting consultant (8 episodes, 2007) |
| Kimberley A. Helms | .... | production secretary (8 episodes, 2007) |
| Nicolae Predescu Jr. | .... | production management (8 episodes, 2007) |
| Megan Kellie | .... | production assistant (7 episodes, 2007) |
| Carole Simms D'Agostino | .... | puppet builder (4 episodes, 2007) |
|
| Brent Bradshaw | .... | audio producer (unknown episodes) |
| Matthew Brooks | .... | puppeteer (unknown episodes) |
| Donna Cipriani | .... | production accountant (unknown episodes) |
| Jackie Cohen | .... | assistant to executive producer (unknown episodes) |
| Sarah de Sa Rego | .... | coordinator (unknown episodes) |
| Megan Dillon | .... | production coordinator (unknown episodes) |
| Patrick Ebert | .... | production assistant (unknown episodes) |
| Jennifer Emil | .... | talent booker (unknown episodes) |
| Michelle Hickey | .... | puppet wrangler (unknown episodes) |
| Todd James | .... | puppet designer (unknown episodes) |
| Allison B. Johnson | .... | production coordinator (unknown episodes) |
| Benjamin Oren | .... | production coordinator (unknown episodes) |
| Adam Pagdon | .... | puppet wrangler (unknown episodes) |
| Paul-Michel Pierre-Benoist | .... | script coordinator (unknown episodes) |
| Rob Saunders | .... | puppeteer (unknown episodes) |
| Cassandra Seidl | .... | post accounting supervisor (unknown episodes) |
| Carol Summers | .... | script supervisor (unknown episodes) |
| |