| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Ben Jones | Crew | Directing | Director | 39 |
 Erik Richter | Crew | Directing | Director, Theme Song Performance, Writer, Story, Creator | 39 |
 Joseph Barbera | Crew | Writing | Characters | 39 |
Michael Ouweleen | Crew | Directing | Director, Writer, Story, Creator | 39 |
Nikki Vanzo | Crew | Production | Producer | 1 |
Reg Tilsley | Crew | Sound | Music | 39 |
 Robert Alvarez | Crew | Directing | Director | 39 |
 Vincent Waller | Crew | Directing | Director | 39 |
 William Hanna | Crew | Writing | Characters | 39 |
Adam Pava | Crew | Writing | Writer | 1 |
 Casper Kelly | Crew | Writing | Story, Writer | 1 |
Richard Ferguson-Hull | Crew | Directing | Director | 39 |
Chul-ho Kim | Crew | Production | Production Manager | 1 |
Jean Kalile | Crew | Visual Effects | Animation | 1 |
Steve Patrick | Crew | Writing | Story | 1 |
Jon Dilling | Crew | Editing | Editor | 39 |
 Michael Kohler | Crew | Sound | Music, Sound Designer | 39 |
Jeffrey G. Olsen | Crew | Writing | Writer | 1 |
Christine Bielinski | Crew | Writing | Writer | 1 |
Adam Lawson | Cast | Actor | Avenger / Gleep (voice) | 1 |
 André Sogliuzzo | Cast | Actor | Dynomutt / Avenger / Pope (voice) | 1 |
 B.J. Ward | Cast | Actress | Velma Dinkley (voice) | 1 |
 Bill Farmer | Cast | Actor | Secret Squirrel (voice) | 2 |
 Billy West | Cast | Actor | Dr. Zin (voice) | 1 |
 Chris Edgerly | Cast | Actor | Peter Potamus (voice) | 39 |
 Debi Mae West | Cast | Actress | 4 | |
 Dee Bradley Baker | Cast | Actor | Forensic Pathologist / Foreman / Lizardman (voice) | 1 |
 Diane Michelle | Cast | Actress | 1 | |
Doug Preis | Cast | Thundarr (voice) | 1 | |
Erik Richter | Cast | Cop (voice) | 1 | |
 Frank Welker | Cast | Actor | Jabberjaw (voice) | 1 |
 Gary Cole | Cast | Actor | Judge Hiram Mightor (voice) | 5 |
 Grey DeLisle | Cast | Actress | Debbie / DMV Operator / X's Wife (voice) | 1 |
 Jack Angel | Cast | Actor | General / Drunk Man / Additional Voices (voice) | 1 |
 Jeanne Mori | Cast | Actress | Seiko / Miko (voice) | 1 |
 Jeff Bergman | Cast | Actor | George Jetson / Bakov / Clown (voice) | 1 |
 Joe Alaskey | Cast | Actor | FEAR #1 / Peter Potamus (voice) | 1 |
 John Michael Higgins | Cast | Actor | Mentok the Mindtaker (voice) | 39 |
 Kevin Michael Richardson | Cast | Actor | Barney Rubble (voice) | 1 |
 Kym Whitley | Cast | Actress | 2 | |
 Laraine Newman | Cast | Actress | Sybil Scussler / Mrs. Debbie (voice) | 1 |
 Lewis Black | Cast | Actor | The Deadly Duplicator (voice) | 4 |
 Mark Hamill | Cast | Actor | Ricochet Rabbit (voice) | 1 |
 Mary Birdsong | Cast | Actress | 1 | |
 Maurice LaMarche | Cast | Actor | Azul Falcone / Stan Freezoid (voice) | 1 |
 Michael Bell | Cast | Actor | Zan (voice) | 1 |
 Michael McKean | Cast | Actor | Evelyn Spyro Throckmorton (voice) | 4 |
 Neil Ross | Cast | Actor | Dr. Benton C. Quest / Vulturo (voice) | 1 |
 Nika Futterman | Cast | Actress | 1 | |
 Paget Brewster | Cast | Actress | Birdgirl (voice) | 7 |
 Patience Cleveland | Cast | Actress | 1 | |
 Paul Adelstein | Cast | Actor | 1 | |
 Peter MacNicol | Cast | Actor | X the Eliminator (voice) | 9 |
 Phil LaMarr | Cast | Actor | FEAR #2 / Black Vulcan (voice) | 1 |
 Rob Paulsen | Cast | Actor | 1 | |
 Robert Osborne | Cast | Actor | 1 | |
 Scott Innes | Cast | Actor | Shaggy Rogers / Scooby-Doo / Scrappy-Doo / Prisoner #1 (voice) | 1 |
 Stephen Colbert | Cast | Actor | FBI (voice; uncredited) | 1 |
 Steve Landesberg | Cast | Actor | Bailiff (voice) | 2 |
 Toby Huss | Cast | Actor | 2 | |
 Tom Kenny | Cast | Actor | Elroy (voice) | 1 |
 Toshi Toda | Cast | Actor | Shoyu Weenie's Manager (voice) | 1 |
 Tress MacNeille | Cast | Actress | Wilma Flintstone / Pebbles Flintstone (voice) | 1 |
 Wally Wingert | Cast | Actor | Hadji (voice) | 1 |
Thom Pinto | Cast | Race Bannon (voice) | 1 | |
 Thomas Allen | Cast | Actor | Peanut (voice) | 39 |
Bazyl Dripps | Cast | Tab Can | 1 | |
Matt Peccini | Cast | Bear (voice) | 1 | |
 Carol Bach Rita | Cast | Actress | Operator (voice) | 1 |
Tony Masa | Cast | Actor | Kenji (voice) | 1 |
 David Kaye | Cast | Actor | Announcer / Officer (voice) | 1 |
| Person | Type | Job | Role(s) | Episodes |
