| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Brendon Small | Crew | Production | Producer, Director, Writer, Creator | 62 |
 Brian Posehn | Crew | Writing | Writer | 1 |
 Chris Prynoski | Crew | Writing | Writer, Director | 1 |
 Janine Ditullio | Crew | Writing | Writer | 2 |
 Jon Schnepp | Crew | Directing | Director | 12 |
 Keith Crofford | Crew | Production | Executive Producer | 62 |
 Mark Brooks | Crew | Writing | Writer | 1 |
 Tommy Blacha | Crew | Production | Executive Producer, Writer, Director | 62 |
Nate Lowe | Crew | Visual Effects | Animation | 10 |
Bill Braudis | Crew | Writing | Writer | 62 |
 Andy Richter | Cast | Actor | J.F. Amarth (voice) | 1 |
Brendon Small | Cast | Actor | Skwisgaar Skwigelf / Pickles the Drummer / Nathan Explosion | 62 |
Brian Posehn | Cast | Actor | 1 | |
 Frankie Ingrassia | Cast | Actress | Rachel / Sucubboso Explosionite (voice) | 1 |
 James Hetfield | Cast | Actor | Lorkey (voice) | 1 |
Jon Schnepp | Cast | Actor | Additional Voices (voice) | 2 |
 Kirk Hammett | Cast | Actor | Barkeep (voice) | 1 |
 Laraine Newman | Cast | Actress | News Anchor / Woman (voice) | 2 |
 Laura Silverman | Cast | Actress | Valerie Vransinn / Grishnack's Assistant (voice) | 1 |
 Malcolm McDowell | Cast | Actor | Vater Orlaag (voice) | 42 |
 Mark Hamill | Cast | Actor | Senator Stampingston / Mr. Selatcia (voice) | 62 |
 Mike Patton | Cast | Actor | 2 | |
Tommy Blacha | Cast | Actor | Toki Wartooth / William Murderface (voice) | 62 |
 Victor Brandt | Cast | Actor | General Crozier / Cardinal Ravenwood (voice) | 62 |
 Angela Gossow | Cast | Actress | Lavona Sucubboso (voice) | 2 |
 Devin Townsend | Cast | Actor | Teenage Fan at Juice Joint (voice) | 1 |
 Gene Hoglan | Cast | 1 | ||
 George Fisher | Cast | Actor | Football Player (voice) | 1 |
 Mike Keneally | Cast | Doctor (voice) | 1 | |
 Warrel Dane | Cast | Actor | Sammy Twinskins (voice) | 1 |
 Jeff Loomis | Cast | Actor | Mr. Murderface (voice) | 1 |
 Silenoz | Cast | Yaneemango Indian (voice) | 1 | |
 ICS Vortex | Cast | Actor | Yaneemango Indian (voice) | 1 |
 King Diamond | Cast | Actor | The Blues Devil (voice) | 1 |
| Person | Type | Job | Role(s) | Episodes |
