| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Eric Trueheart | Crew | Writing | Writer | 20 |
 Frank Conniff | Crew | Writing | Writer | 2 |
 Jhonen Vasquez | Crew | Writing | Writer, Creator | 25 |
Kyle Menke | Crew | Art | Storyboard Artist | 19 |
Steve Ressel | Crew | Directing | Director, Storyboard Artist | 46 |
 Courtney Lilly | Crew | Writing | Writer | 2 |
John Fountain | Crew | Art | Art Department Manager | 36 |
Perry Zombolas | Crew | Art | Storyboard Artist | 2 |
Scooter Tidwell | Crew | Art | Storyboard Artist | 2 |
Chris Graham | Crew | Art | Storyboard Artist | 16 |
Ron Brewer | Crew | Art | Storyboard Artist | 3 |
 Greg Colton | Crew | Art | Storyboard Artist | 2 |
Danielle Koenig | Crew | Writing | Writer | 2 |
 Roman Dirge | Crew | Writing | Writer, Idea, Story | 3 |
 Bryan Konietzko | Crew | Art | Storyboard Artist | 10 |
Miyuki Hoshikawa | Crew | Art | Storyboard Artist | 5 |
Shawn Murray | Crew | Art | Storyboard Artist | 12 |
 Joe Daniello | Crew | Art | Storyboard Artist | 7 |
 Andy Berman | Cast | Actor | Larb (voice) | 1 |
 Brad Abrell | Cast | Actor | Announcer (voice) | 1 |
 Candi Milo | Cast | Actress | Clara / Woman in Crowd (voice) | 1 |
 Danny Cooksey | Cast | Actor | 3 | |
 Dee Bradley Baker | Cast | Actor | Santa Gerg / Guy in Crowd #1 / Cutest Little Kid (voice) | 1 |
 Dwight Schultz | Cast | Actor | 1 | |
 Eliza Schneider | Cast | Actress | 1 | |
 Greg Ellis | Cast | Actor | 1 | |
 Jeffrey Jones | Cast | Actor | Presidentman / Crowd Man / Guy in Crowd #2 (voice) | 1 |
Jhonen Vasquez | Cast | Actor | Computer Voice / Old Kid / Brian (voice) | 1 |
 Kathryn Fiore | Cast | Actress | Kid / Santa Fan #2 / Little Girl (voice) | 1 |
 Kevin McDonald | Cast | Actor | Purple / Tae (voice) | 1 |
 Lucille Bliss | Cast | Actress | Ms. Bitters (voice) | 46 |
 Michael McDonald | Cast | Actor | RoboDad / Crewman (voice) | 1 |
 Mo Collins | Cast | Actress | RoboMom / Zita (voice) | 1 |
 Olivia d'Abo | Cast | Actress | 3 | |
 Phil LaMarr | Cast | Actor | The Letter M (voice) | 1 |
 R. Lee Ermey | Cast | Actor | 1 | |
 Richard Steven Horvitz | Cast | Actor | Crowd Choir / Slaves (voice) | 1 |
 Rosearik Rikki Simons | Cast | Actor | Monkey (voice) | 1 |
 Rodger Bumpass | Cast | Actor | Man in Crowd / Crowd Choir (voice) | 1 |
S. Scott Bullock | Cast | Actor | 1 | |
 Sherman Howard | Cast | Actor | 1 | |
 Wally Wingert | Cast | Actor | Red / SIR (voice) | 1 |
 Philece Sampler | Cast | Actress | Scientist #4 / Germ Woman / Tiny Germ Voice (voice) | 1 |
 Melissa Fahn | Cast | Actress | Orphan Children / Crowd Choir (voice) | 1 |
| Person | Type | Job | Role(s) | Episodes |
