| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Dan Root | Crew | Art | Storyboard Artist | 1 |
 Dave Polsky | Crew | Writing | Writer | 1 |
Drew Neumann | Crew | Sound | Music | 104 |
James Fujii | Crew | Art | Storyboard Artist | 2 |
 Maxwell Atoms | Crew | Directing | Director, Producer, Writer, Storyboard Artist | 9 |
Darrick Bachman | Crew | Writing | Writer | 6 |
Dick Grunert | Crew | Writing | Writer | 2 |
Ian Wasseluk | Crew | Writing | Writer, Director, Storyboard Artist | 7 |
Matt Sullivan | Crew | Writing | Writer, Storyboard Artist | 2 |
Matt Whitlock | Crew | Writing | Writer, Director, Storyboard Artist | 7 |
 Robert Hughes | Crew | Directing | Director, Writer, Storyboard Artist | 5 |
Paul E. Francis | Crew | Sound | Music, Main Title Theme Composer | 40 |
 Karl Hadrika | Crew | Writing | Writer, Storyboard Artist | 8 |
Jessica Borutski | Crew | Production | Producer, Director, Writer, Creator, Storyboard Artist | 104 |
 Ethan Nicolle | Crew | Writing | Writer | 1 |
Brandon Kruse | Crew | Writing | Writer, Storyboard Artist | 1 |
Lane Raichert | Crew | Writing | Writer, Storyboard Artist | 3 |
Nick Reczynski | Crew | Writing | Story | 1 |
Kyle Stafford | Crew | Writing | Writer | 2 |
Ernie Keen | Crew | Art | Storyboard Artist | 5 |
 Matt Peters | Crew | Art | Storyboard Artist | 1 |
 Caldwell Tanner | Crew | Writing | Writer | 2 |
John Bailey Owen | Crew | Writing | Writer | 1 |
Karina Gazizova | Crew | Art | Storyboard Artist | 1 |
Joey Adams | Crew | Art | Storyboard Artist | 1 |
Ryan Khatam | Crew | Art | Storyboard Artist | 1 |
Brandon McKinney | Crew | Art | Storyboard Artist | 2 |
Hayley Foster | Crew | Art | Storyboard Artist | 11 |
 Carlos Ramos | Crew | Writing | Writer | 1 |
Erik Knutson | Crew | Directing | Director | 3 |
Shaunt Nigoghossian | Crew | Production | Producer, Director | 64 |
Bryan Condon | Crew | Writing | Writer | 1 |
Raymond Santos | Crew | Art | Storyboard Artist | 1 |
Matthew Humphreys | Crew | Art | Storyboard Artist | 1 |
William Ruzicka | Crew | Directing | Director | 21 |
Brady Klosterman | Crew | Writing | Writer | 1 |
George Kaprielian | Crew | Directing | Director | 22 |
Jordan Gershowitz | Crew | Writing | Writer, Teleplay | 5 |
Erin Kavanagh | Crew | Writing | Writer, Storyboard Artist | 7 |
Jesse Porter | Crew | Writing | Writer | 2 |
Joseph Adams | Crew | Writing | Writer, Storyboard Artist | 3 |
Merrill Hagan | Crew | Writing | Writer | 3 |
Ben Joseph | Crew | Writing | Writer | 3 |
Frank Detrano | Crew | Art | Storyboard Artist | 1 |
Emi Yonemura | Crew | Art | Storyboard Artist | 7 |
 Brian Kimmet | Cast | Actor | Harold (voice) | 104 |
 Carl Lumbly | Cast | Actor | Lead Prison Guard / Vampire Bat (voice) | 1 |
 Carlos Alazraqui | Cast | Actor | Giant Snake (voice) | 1 |
 Chad Doreck | Cast | Actor | Colt Bifton (voice) | 1 |
 Chris Kattan | Cast | Actor | Bunnicula / Mina's Dad (voice) | 104 |
 Daran Norris | Cast | Actor | Agent 51 (voice) | 1 |
 David Shaughnessy | Cast | Actor | Harold's Tail (voice) | 1 |
 Donovan Patton | Cast | Actor | Putt-Putt Pete (voice) | 1 |
 Fred Tatasciore | Cast | Actor | Chaos (voice) | 1 |
 Harland Williams | Cast | Actor | Thomas Edison's Ghost / Alien (voice) | 1 |
 Laraine Newman | Cast | Actress | Greta (voice) | 1 |
 P.J. Byrne | Cast | Actor | Boogaloo (voice) | 1 |
Rhasaan Orange | Cast | Actress | Weasel (voice) | 1 |
 Richard Steven Horvitz | Cast | Actor | Lugosi (voice) | 65 |
 Robert Catrini | Cast | Actor | Rat Pack Boss (voice) | 1 |
 Sean Astin | Cast | Actor | Chester (voice) | 104 |
 Sonya Leslie | Cast | Actress | Queen Shelia (voice) | 1 |
 Steve Blum | Cast | Actor | Cat Shaver (voice) | 1 |
 Tom Kenny | Cast | Actor | Mr. Molesby / Moles (voice) | 1 |
 Trevor Devall | Cast | Actor | Lucky Cricket (voice) | 1 |
 Will Friedle | Cast | Actor | Captain Science Magic Love (voice) | 1 |
 Yuri Lowenthal | Cast | Actor | Zakarov (voice) | 1 |
 Eric Bauza | Cast | Actor | Patches the Weredude (voice) | 67 |
 Joe J. Thomas | Cast | Actor | Pa Rabbit (voice) | 1 |
 Kari Wahlgren | Cast | Actress | Mina (voice) | 104 |
 Patrick Seitz | Cast | Actor | Zogthoth (voice) | 1 |
 Roger Craig Smith | Cast | Actor | Party Animal (voice) | 1 |
 Jasmine Kaur | Cast | Actress | DJ Demon (voice) | 1 |
 Gail Bean | Cast | Actress | Tabitha (voice) | 1 |
 Max Mittelman | Cast | Actor | Genie (voice) | 1 |
 Rick Zieff | Cast | Actor | General Cashews (voice) | 1 |
| Person | Type | Job | Role(s) | Episodes |
