| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Aaron Springer | Crew | Writing | Writer, Storyboard Artist | 3 |
 Amy Keating Rogers | Crew | Writing | Writer | 2 |
Brian A. Miller | Crew | Production | Executive Producer | 138 |
Brian Sheesley | Crew | Directing | Director | 12 |
Chris Headrick | Crew | Art | Storyboard Artist, Writer | 2 |
 Chris Reccardi | Crew | Art | Storyboard Artist, Writer | 1 |
 Chris Savino | Crew | Art | Storyboard Artist | 1 |
Christine Kolosov | Crew | Directing | Director | 1 |
 Christopher McCulloch | Crew | Art | Storyboard Artist | 1 |
Cindy Morrow | Crew | Art | Storyboard Artist, Writer | 1 |
Clay Morrow | Crew | Art | Storyboard Artist | 1 |
Craig Lewis | Crew | Writing | Writer | 9 |
Dave Brain | Crew | Directing | Director | 7 |
 David Feiss | Crew | Art | Storyboard Artist | 1 |
Drew Neumann | Crew | Sound | Music, Writer | 184 |
Eddy Houchins | Crew | Directing | Director | 19 |
Gordon Kent | Crew | Directing | Director | 4 |
Gregory Hinde | Crew | Sound | Music | 184 |
Jay Bastian | Crew | Production | Executive Producer | 184 |
Jeremy J. Bargiel | Crew | Writing | Writer | 10 |
Jim Schumann | Crew | Art | Storyboard Artist, Writer | 5 |
John Holmquist | Crew | Art | Storyboard Artist | 1 |
John McIntyre | Crew | Art | Storyboard Artist, Director | 1 |
Kris Sherwood | Crew | Directing | Director | 8 |
 Maxwell Atoms | Crew | Directing | Director, Writer, Creator, Storyboard Artist, Story | 22 |
Mike Diederich | Crew | Writing | Writer, Storyboard Artist | 15 |
Michel Lyman | Crew | Directing | Director | 1 |
 Nina Bargiel | Crew | Writing | Writer | 12 |
Pat Shinagawa | Crew | Directing | Director | 5 |
Paul McEvoy | Crew | Art | Storyboard Artist, Writer | 11 |
Phil Cummings | Crew | Directing | Director | 8 |
 Richard Steven Horvitz | Crew | Writing | Writer | 2 |
Rob Desales | Crew | Writing | Writer | 1 |
 Robert Alvarez | Crew | Directing | Director | 31 |
Russell Calabrese | Crew | Directing | Director | 12 |
Scott Morse | Crew | Art | Storyboard Artist, Writer | 1 |
 Scott Underwood | Crew | Art | Storyboard Artist | 1 |
Shaun Cashman | Crew | Art | Storyboard Artist, Director, Writer | 2 |
 Sue Perrotto | Crew | Directing | Director | 18 |
Vincent Davis | Crew | Production | Producer | 23 |
 Vincent Waller | Crew | Art | Storyboard Artist, Writer | 3 |
Alex Almaguer | Crew | Writing | Writer, Storyboard Artist | 16 |
Anna Chambers | Crew | Writing | Writer | 1 |
 Brian Larsen | Crew | Art | Storyboard Artist, Writer | 3 |
 C.H. Greenblatt | Crew | Writing | Writer, Storyboard Artist | 16 |
Chris Mitchell | Crew | Art | Storyboard Artist, Writer | 1 |
Dave Kupczyk | Crew | Directing | Layout | 23 |
Ian Wasseluk | Crew | Art | Storyboard Artist, Writer | 8 |
 Jackie Buscarino | Crew | Writing | Writer | 1 |
James Silverman | Crew | Writing | Writer | 4 |
Louis J. Cuck | Crew | Production | Producer | 35 |
Matt Engstrom | Crew | Directing | Director | 7 |
Matt Sullivan | Crew | Art | Storyboard Artist, Writer | 1 |
 Rachael MacFarlane | Crew | Writing | Writer | 1 |
 Robert Hughes | Crew | Directing | Director | 2 |
Tara Whitaker | Crew | Art | Storyboard Artist | 1 |
Tom Warburton | Crew | Writing | Writer | 1 |
Trevor Wall | Crew | Art | Storyboard Artist | 1 |
William Reiss | Crew | Art | Storyboard Artist, Writer | 1 |
John Banh | Crew | Art | Storyboard Artist | 1 |
Kristen Lazarian | Crew | Writing | Writer | 1 |
Maurice Fontenot | Crew | Art | Storyboard Artist | 1 |
Mike Stern | Crew | Art | Storyboard Artist | 1 |
Spencer Laudiero | Crew | Art | Storyboard Artist, Writer | 7 |
 Thurop Van Orman | Crew | Art | Storyboard Artist, Writer | 1 |
Antoine Guilbaud | Crew | Art | Storyboard Artist, Writer | 1 |
Tim McKeon | Crew | Writing | Writer | 3 |
Greg Miller | Crew | Art | Storyboard Artist, Writer | 1 |
Randy Myers | Crew | Directing | Director | 8 |
 Stephen DeStefano | Crew | Art | Storyboard Artist, Writer | 1 |
Linda Simensky | Crew | Production | Executive Producer | 49 |
Zena Leigh Logan | Crew | Writing | Writer | 4 |
Brian Hogan | Crew | Directing | Director | 10 |
Brian Kindregan | Crew | Art | Storyboard Artist | 1 |
Jeff Prezenkowski | Crew | Writing | Writer | 3 |
 David Mucci Fassett | Crew | Art | Storyboard Artist | 3 |
Gord Zajac | Crew | Writing | Writer | 36 |
Brett Varon | Crew | Writing | Writer, Storyboard Artist | 14 |
Jesse Schmal | Crew | Art | Storyboard Artist | 1 |
Jay Baker | Crew | Art | Storyboard Artist, Writer | 1 |
Alex Que | Crew | Art | Storyboard Artist, Writer | 2 |
Harriet Kim | Crew | Writing | Writer | 1 |
 'Weird Al' Yankovic | Cast | Actor | Squid Hat | 2 |
 Alan Oppenheimer | Cast | Actor | Father Time | 1 |
 Armin Shimerman | Cast | Actor | General Skarr | 5 |
 Billy West | Cast | Actor | Guard | 1 |
 Brian Tochi | Cast | Actor | Chef | 1 |
 Candi Milo | Cast | Actress | Guillermo (voice) | 1 |
 Carol Kane | Cast | Actress | Mrs. Claus | 1 |
 Clyde Kusatsu | Cast | Actor | 1 | |
 Cree Summer | Cast | Actress | Cave Witch (voice) | 1 |
 David Warner | Cast | Actor | Nergal (voice) | 2 |
 Dawnn Lewis | Cast | Actress | Grim's Granny | 1 |
 Debi Derryberry | Cast | Actress | Nergal Jr. | 2 |
 Dee Bradley Baker | Cast | Actor | Announcer | 1 |
 Diedrich Bader | Cast | Actor | Hoss Delgado (voice) | 2 |
 Earl Boen | Cast | Actor | 1 | |
 Frank Welker | Cast | Actor | Scooby-Doo (voice) | 1 |
 Fred Willard | Cast | Actor | The Boogey Man | 1 |
 George Segal | Cast | Actor | Horror (voice) | 1 |
 Gilbert Gottfried | Cast | Actor | Santa Claus | 1 |
 Greg Eagles | Cast | Actor | Grim (voice) | 184 |
 Grey DeLisle | Cast | Actress | Mandy (voice) | 184 |
 Henry Gibson | Cast | Actor | Lord Pain (voice) | 1 |
 Jake Thomas | Cast | Actor | Nigel Planter | 4 |
 James Arnold Taylor | Cast | Actor | Fred Flintstone | 1 |
 James Sie | Cast | Actor | Plain Cow (voice) | 1 |
 Jane Carr | Cast | Actress | Pud'n (voice) | 1 |
 Jeannie Elias | Cast | Actress | Malaria | 1 |
 Jeff Bennett | Cast | Actor | 1 | |
 Jennifer Darling | Cast | Actress | Pollywinkle (voice) | 1 |
 Jennifer Hale | Cast | Actress | Gladys (voice) | 2 |
 Jess Harnell | Cast | Actor | 2 | |
 John Kassir | Cast | Actor | Lord Moldybutt | 2 |
 John Vernon | Cast | Actor | Dean Toadblatt | 3 |
 Keone Young | Cast | Actor | Kwan Ti | 1 |
 Laraine Newman | Cast | Actress | Crossing Guard (voice) | 1 |
 Lauren Tom | Cast | Actress | Numbuh Three | 1 |
 Malcolm McDowell | Cast | Actor | Baron Von Ghoulish | 1 |
 Mark Hamill | Cast | Actor | 1 | |
 Martin Jarvis | Cast | Actor | Nergal | 3 |
 Mary Jo Catlett | Cast | Actress | Witch | 1 |
Maxwell Atoms | Cast | Actor | Jeff the Spider (voice) | 6 |
 Michael Dorn | Cast | Actor | King Beardbottom / Clown / Dwarf #2 | 1 |
 Nika Futterman | Cast | Actress | Pandora | 1 |
 Peter Renaday | Cast | Actor | 2 | |
 Phil LaMarr | Cast | Actor | Dracula | 2 |
 Quinton Flynn | Cast | Actor | 4 | |
 R. Lee Ermey | Cast | Actor | Sergeant / Drill Sergeant | 1 |
Richard Steven Horvitz | Cast | Actor | Billy (voice) | 184 |
 Rob Paulsen | Cast | Actor | Tooth Fairy | 1 |
 Robin Atkin Downes | Cast | Actor | 1 | |
 Ronnie Schell | Cast | Actor | Dean Toadblatt | 1 |
 Scott Menville | Cast | Actor | Pinocchio | 1 |
 Tom Kane | Cast | Actor | Captain Heifer | 1 |
 Tom Kenny | Cast | Actor | 1 | |
 Vanessa Marshall | Cast | Actress | Irwin (voice) | 184 |
 Wayne Knight | Cast | Actor | Jack O'Lantern | 1 |
C.H. Greenblatt | Cast | Actor | Fred Fredburger (voice) | 2 |
 Kari Wahlgren | Cast | Actress | Velma Green the Spider Queen (voice) | 1 |
Rachael MacFarlane | Cast | Actress | Eris (voice) | 1 |
| Person | Type | Job | Role(s) | Episodes |
