 | Kath Soucie | ... | Dexter's Mom / ... (77 episodes, 1996-2003) |

| Frank Welker | ... | Monkey / ... (67 episodes, 1996-2003) |
 | Allison Moore | ... | Dee Dee / ... (39 episodes, 1996-2003) |
 | Jeff Bennett | ... | Dad / ... (34 episodes, 1996-2003) |

| Christine Cavanaugh | ... | Dexter / ... (33 episodes, 1996-2001) |
 | Tom Kenny | ... | Valhallen / ... (27 episodes, 1996-2003) |

| Candi Milo | ... | Dexter / ... (23 episodes, 2002-2003) |
 | Rob Paulsen | ... | Major Glory / ... (19 episodes, 1996-2003) |

| Kathryn Cressida | ... | Dee Dee / ... (19 episodes, 1997-2003) |

| Eddie Deezen | ... | Mandark (10 episodes, 1996-2003) |

| Mako | ... | Main Title Narrator (6 episodes, 1996) |
 | Kimberly Brooks | ... | Mee Mee / ... (6 episodes, 1996-2002) |
 | Robert Ridgely | ... | Commander / ... (4 episodes, 1996) |

| Dom DeLuise | ... | Koosy / ... (3 episodes, 1997-2003) |

| Maurice LaMarche | ... | Alien / ... (3 episodes, 1996-1998) |

| Daran Norris | ... | Announcer / ... (3 episodes, 2003) |

| Greg Eagles | ... | Capital 'G' / ... (2 episodes, 1998) |
 | Dee Bradley Baker | ... | Billy / ... (2 episodes, 2003) |
 | Jim Cummings | ... | Organ Grinder / ... (2 episodes, 1996-1997) |
|
| Debby Hindman | .... | associate producer / line producer (17 episodes, 1996-1997) |
| Genndy Tartakovsky | .... | producer / executive producer (17 episodes, 1997-2003) |
| Sherry Gunther | .... | executive producer (15 episodes, 1996-1997) |
| Larry Huber | .... | executive producer (13 episodes, 1996-1997) |
| John Cawley | .... | line producer (6 episodes, 2002-2003) |
| Brian A. Miller | .... | supervising producer: Cartoon Network Studios (6 episodes, 2002-2003) |
| Selma Edelman | .... | line producer (5 episodes, 1997) |
| Donna Castricone | .... | associate producer (5 episodes, 1998-2003) |
| Davis Doi | .... | supervising producer (5 episodes, 1998) |
| Selma Gladney | .... | line producer (3 episodes, 1997) |
| Victoria McCollum | .... | post line producer (3 episodes, 2003) |
| Chris Savino | .... | producer (3 episodes, 2003) |
| Bob Onorato | .... | line producer (2 episodes, 1996) |
| Buzz Potamkin | .... | executive producer (2 episodes, 1996) |
|
| Linda Simensky | .... | executive producer: Cartoon Network (unknown episodes) |
| |
|
| Brian A. Miller | .... | executive in charge of production (26 episodes, 1996-1998) |
| Gayle Mnookin | .... | post-production supervisor / unit post-production supervisor (26 episodes, 1996-1998) |
| Donna Castricone | .... | production manager (15 episodes, 1996-1997) |
| Tim Iverson | .... | post-production manager (11 episodes, 1997-1998) |
| Sylvia Edwards | .... | production supervisor (7 episodes, 1996) |
| Joseph Mazzuca | .... | executive in charge of production (7 episodes, 1996) |
| Khaki Jones | .... | executive in charge of production: Cartoon Network (7 episodes, 1998-2003) |
| Linda Simensky | .... | executive in charge of production: Cartoon Network (7 episodes, 1998-2003) |
| John Bryant | .... | unit post-production supervisor (6 episodes, 1996-1997) |
| Gary Hall | .... | unit post-production supervisor (6 episodes, 1996) |
| Ken Yas | .... | executive director of post-production (6 episodes, 1997) |
| Shareena Carlson | .... | production manager (6 episodes, 2002-2003) |
| Jennifer Pelphrey | .... | director of production: Cartoon Network Studios (5 episodes, 2002-2003) |
|
| Heather Adams | .... | video post-production supervisor (unknown episodes) |
| |
|
| Seth MacFarlane | .... | storyboard artist (46 episodes, 1997-2003) |
| Gabe Swarr | .... | storyboard artist (46 episodes, 1997-2003) |
| Iraj Paran | .... | graphics (26 episodes, 1996-1998) |
| Andy Bialk | .... | model designer / storyboard artist (23 episodes, 1996-2003) |
| Craig McCracken | .... | storyboard artist / graphics / ... (20 episodes, 1996-1998) |
| Paul Rudish | .... | storyboard artist / model designer / ... (16 episodes, 1996-1998) |
| Chris Battle | .... | model designer / graphics / ... (13 episodes, 1997-1998) |
| Genndy Tartakovsky | .... | storyboard artist (12 episodes, 1996-2003) |
| Clay Morrow | .... | model designer / storyboard artist (12 episodes, 1997-2003) |
| Butch Hartman | .... | storyboard artist (10 episodes, 1996-1997) |
| Mike Stern | .... | model designer / storyboard artist (9 episodes, 1996-1998) |
| Miles Thompson | .... | model designer / storyboard artist (8 episodes, 1996-1997) |
| Martin Ansolabehere | .... | graphics (8 episodes, 1997-1998) |
| Robert Renzetti | .... | interstitial storyboard artist / storyboard artist (7 episodes, 1996) |
| David Smith | .... | storyboard artist / model designer (7 episodes, 1997-2002) |
| Don Shank | .... | storyboard artist / model designer (6 episodes, 1996-1998) |
| Sean Edberg | .... | model designer (6 episodes, 1996) |
| Todd Frederiksen | .... | model designer / storyboard artist (4 episodes, 1996-1998) |
| Kevin Kaliher | .... | storyboard artist (4 episodes, 1997-2003) |
| Sue Mondt | .... | graphics (4 episodes, 1997-1998) |
| Marc Perry | .... | model designer (4 episodes, 1997) |
| Charlie Bean | .... | storyboard artist (3 episodes, 1996-2003) |
| David Mucci Fassett | .... | model designer (3 episodes, 1996) |
| Lou Romano | .... | storyboard artist (3 episodes, 1996) |
| Greg Miller | .... | storyboard artist (3 episodes, 1997-2002) |
| Nelda Ridley | .... | graphics / scanner (3 episodes, 1997-2002) |
| Chris Savino | .... | storyboard artist (3 episodes, 1997-1998) |
| Walt Dohrn | .... | storyboard artist (3 episodes, 2002) |
| Bob Staake | .... | model designer (2 episodes, 1996-1998) |
| Ricky Nierva | .... | storyboard artist (2 episodes, 1996) |
| Al Gmuer | .... | graphics (2 episodes, 1997) |
| Nora Johnson | .... | storyboard artist (2 episodes, 1997) |
| Kenny Thompkins | .... | model designer (2 episodes, 1997) |
| Mark O'Hare | .... | storyboard artist (2 episodes, 2003) |
| Chris Reccardi | .... | storyboard artist (2 episodes, 2003) |
| Aaron Springer | .... | storyboard artist (2 episodes, 2003) |
| |
|
| Ed Collins | .... | supervising recording engineer (26 episodes, 1996-1998) |
| Jeffrey Collins | .... | sound recording engineer (20 episodes, 1996-1998) |
| Genndy Tartakovsky | .... | recording director (20 episodes, 1996-1998) |
| Jim Hearn | .... | dialogue editor / track reader (11 episodes, 1997-2003) |
| Carol Iverson | .... | track reader / dialogue editor (7 episodes, 1996-1998) |
| Kerry Iverson | .... | track reader / dialogue editor (6 episodes, 1996-1998) |
| Preston Oliver | .... | sound recording engineer (6 episodes, 1996) |
| Timothy Borquez | .... | sound re-recording mixer / sound supervisor (6 episodes, 2002-2003) |
| Eric Freeman | .... | sound re-recording mixer / sound effects editor (6 episodes, 2002-2003) |
| Collette Sunderman | .... | recording director (6 episodes, 2002-2003) |
| Thomas Syslo | .... | sound effects editor (6 episodes, 2002-2003) |
| Kay Douglas | .... | track reader (5 episodes, 1997-1998) |
| Robert Serda | .... | sound recording engineer (5 episodes, 2002-2003) |
| Jeff Hutchins | .... | sound effects editor (4 episodes, 2002-2003) |
| Matt Brown | .... | assistant sound editor (2 episodes, 1996) |
|
| Roy Braverman | .... | sound effects editor / supervising sound editor (unknown episodes) |
| Timothy J. Garrity | .... | sound re-recording mixer (unknown episodes) |
| Daisuke Sawa | .... | sound editor (unknown episodes) |
| |
|
| Chris Battle | .... | character designer (51 episodes, 1997-2003) |
| Christopher Bracher | .... | computer animation system designer (48 episodes, 1996-1998) |
| Stephen Toback | .... | computer animation system designer (33 episodes, 1996-1997) |
| Sandy Benenati | .... | animation checker (32 episodes, 1996-2003) |
| Martin Ansolabehere | .... | background color / background color stylist / ... (28 episodes, 1996-2003) |
| Robert Alvarez | .... | animation director / sheet timer / ... (26 episodes, 1996-2003) |
| Martin Crossley | .... | xerographer (26 episodes, 1996-1998) |
| Alison Leopold | .... | ink and paint supervisor / color stylist (26 episodes, 1996-1998) |
| Nelda Ridley | .... | final checker (26 episodes, 1996-1998) |
| Star Wirth | .... | xerographer (26 episodes, 1996-1998) |
| Karen Greslie | .... | color stylist (25 episodes, 1996-1998) |
| Jim Worthy | .... | layout keys / background designer (16 episodes, 1997-2003) |
| Dan Krall | .... | background designer / layout keys / ... (15 episodes, 1996-1998) |
| Andy Clark | .... | background color / additional background color / ... (15 episodes, 1996-1997) |
| Cynthia McIntosh | .... | color stylist (13 episodes, 1996-1997) |
| Sue Mondt | .... | background color (13 episodes, 1997-2003) |
| Andy Bialk | .... | character designer / layout artist / ... (11 episodes, 1996-2003) |
| Todd Frederiksen | .... | background designer / layout artist / ... (8 episodes, 1996-1998) |
| Robert Renzetti | .... | animation director / additional animation director (8 episodes, 1996-1997) |
| Barbara Krueger | .... | clean-up artist / character cleanup (8 episodes, 1997-2002) |
| Miles Thompson | .... | layout artist / additional background designer / ... (7 episodes, 1996-2002) |
| Jane Nussbaum | .... | background color / additional background designer / ... (7 episodes, 1996-1997) |
| Julian Chaney | .... | layout artist / background artist (7 episodes, 1996) |
| Chris Cuddington | .... | animation director: Fil-Cartoons (7 episodes, 1996) |
| David Mucci Fassett | .... | layout artist / background designer (7 episodes, 1996) |
| Dana Granger | .... | character cleanup / clean-up artist (7 episodes, 1997-2003) |
| Frederick J. Gardner III | .... | background designer (7 episodes, 2003) |
| James T. Walker | .... | animation director (6 episodes, 1996-1998) |
| Beth Goodwin | .... | animation checker (6 episodes, 1996) |
| Chris Mitchell | .... | layout artist (6 episodes, 1996) |
| Conrad Vernon | .... | layout artist (6 episodes, 1996) |
| Sharon Dabek | .... | color stylist (6 episodes, 2002-2003) |
| Marc Perry | .... | layout artist / clean-up artist (5 episodes, 1996-1997) |
| Don Shank | .... | background designer (5 episodes, 1996-1997) |
| Butch Hartman | .... | layout artist / background designer / ... (5 episodes, 1996) |
| Roger Webb | .... | color stylist (5 episodes, 1997-1998) |
| Richard Wilson | .... | xerographer (5 episodes, 1998) |
| Paul Stec | .... | background designer (5 episodes, 2002-2003) |
| Robert Lacko | .... | clean-up artist / character cleanup (4 episodes, 1997-2003) |
| Maxwell Becraft | .... | animation director (4 episodes, 1997) |
| Jamy Huang | .... | color stylist (4 episodes, 1997) |
| Andrew Gentle | .... | additional background designer / background layout artist (3 episodes, 1996) |
| Joseph Orrantia | .... | layout artist (3 episodes, 1996) |
| Carey Yost | .... | layout artist (3 episodes, 1996) |
| Richard Trueblood | .... | animation director (3 episodes, 1997-1998) |
| Richard Collado | .... | animation director (3 episodes, 1998) |
| Donna Mouliot | .... | animation director (3 episodes, 1998) |
| Chris Savino | .... | animation director (3 episodes, 2002-2003) |
| John McIntyre | .... | animation director (3 episodes, 2002) |
| Don Judge | .... | animation director / additional animation director / ... (3 episodes, 2003) |
| Charlie Bean | .... | layout artist (2 episodes, 1996) |
| Al Gmuer | .... | background supervisor (2 episodes, 1996) |
| Jim Hickey | .... | additional background color / background color (2 episodes, 1996) |
| Paul Rudish | .... | background designer (2 episodes, 1996) |
| Clay Morrow | .... | character designer / layout keys (2 episodes, 1997-2002) |
| Stephanie Choi | .... | character designer (2 episodes, 2003) |
| Jason Stec | .... | color stylist (2 episodes, 2003) |
| |
|
| Linda Moore | .... | production assistant (26 episodes, 1996-1998) |
| Sami Rank | .... | production assistant / production coordinator (26 episodes, 1996-1998) |
| Diana Stolpe | .... | production accountant (26 episodes, 1996-1998) |
| Sharra Gage | .... | production assistant / talent coordinator (23 episodes, 1996-2002) |
| Kay Douglas | .... | track reader (21 episodes, 1996-1998) |
| Jim Hearn | .... | track reader (21 episodes, 1996-1998) |
| Carol Iverson | .... | track reader (21 episodes, 1996-1998) |
| Barbara Krueger | .... | cleanup artist (21 episodes, 1996-1998) |
| Heather Kenyon | .... | production liaison (21 episodes, 1996-1997) |
| Charlie Desrochers | .... | production coordinator / production assistant (20 episodes, 1996-1998) |
| Kerry Iverson | .... | track reader (20 episodes, 1996-1998) |
| Don McGregor | .... | production assistant (15 episodes, 1996-1997) |
| Julianne Humbert | .... | production assistant (13 episodes, 1997-1998) |
| Amy E. Wagner | .... | production liaison (13 episodes, 1997-1998) |
| Doug Williams | .... | overseas supervisor (13 episodes, 1997-1998) |
| Donna Castricone | .... | production coordinator (6 episodes, 1996) |
| Sherry Gunther | .... | senior vice president of production (6 episodes, 1996) |
| Jason Butler Rote | .... | story consultant (6 episodes, 1996) |
| Dan Smith | .... | development executive (6 episodes, 1996) |
| Collette Sunderman | .... | talent coordinator (6 episodes, 1996) |
| Dayla Corcoran | .... | production coordinator (6 episodes, 2002-2003) |
| Cecilia Rheins | .... | production accountant (6 episodes, 2002-2003) |
| Amy Rogers | .... | outline editor (6 episodes, 2002-2003) |
| Jeffrey Collins | .... | production assistant (4 episodes, 1996) |
| Dana Granger | .... | cleanup artist (3 episodes, 1996-1997) |
| Alina Phelan | .... | production assistant (3 episodes, 2002) |
| Chris Savino | .... | supervising director (3 episodes, 2002) |
| Jackie Buscarino | .... | production assistant (3 episodes, 2003) |
| Nancy Goree | .... | production coordinator (3 episodes, 2003) |
| Karie Gima Pham | .... | talent coordinator (3 episodes, 2003) |
| Sandy Benenati | .... | production assistant (2 episodes, 1996) |
| Cindi Peltier | .... | talent coordinator (2 episodes, 1996) |
|
| Khaki Jones | .... | production executive (unknown episodes, 2003) |
| Courtenay Palaski | .... | publicist (unknown episodes, 2003) |
| Linda Simensky | .... | production executive (unknown episodes, 2003) |
| Nelda Ridley | .... | final check (unknown episodes) |
| |