| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Aaron Springer | Crew | Directing | Director | 8 |
 Aury Wallington | Crew | Writing | Writer | 2 |
 David Slack | Crew | Writing | Writer | 1 |
 James Baxter | Crew | Visual Effects | Animation | 1 |
 Josh Weinstein | Crew | Writing | Writer | 7 |
Luke Brookshier | Crew | Writing | Storyboard | 1 |
 Matt Chapman | Crew | Writing | Writer | 10 |
 Rob Renzetti | Crew | Directing | Director | 1 |
 Niki Yang | Crew | Writing | Storyboard | 3 |
Stephen Sandoval | Crew | Directing | Director | 4 |
 Alex Hirsch | Crew | Writing | Writer, Creator | 39 |
Andre Medina | Crew | Art | Art Department Manager | 20 |
Joe Pitt | Crew | Art | Art Department Manager, Director | 20 |
Mark Garcia | Crew | Writing | Storyboard | 4 |
 Shion Takeuchi | Crew | Writing | Writer | 3 |
Tim McKeon | Crew | Writing | Writer | 8 |
 Mike Rianda | Crew | Writing | Writer, Production Consultant | 6 |
 Paul Robertson | Crew | Visual Effects | Animation | 4 |
John Aoshima | Crew | Writing | Storyboard, Director | 1 |
 Matt Braly | Crew | Directing | Director, Storyboard | 8 |
 Dana Terrace | Crew | Art | Storyboard Artist, Thanks | 7 |
 Jeff Rowe | Crew | Writing | Writer | 8 |
Alonso Ramirez Ramos | Crew | Writing | Storyboard | 3 |
 Tyler Chen | Crew | Writing | Storyboard | 4 |
Nancy Cohen | Crew | Writing | Writer | 1 |
Tommy Reahard | Crew | Writing | Writer | 1 |
Mark Rizzo | Crew | Writing | Writer | 3 |
 'Weird Al' Yankovic | Cast | Actor | Probabilitor the Annoying (voice) | 1 |
 Alfred Molina | Cast | Actor | Multi-Bear (voice) | 3 |
 Andrew Pifko | Cast | Actor | Additional Voices (voice) | 1 |
 Andy Merrill | Cast | Actor | Teeth (voice) | 2 |
 April Winchell | Cast | Actress | Ma Duskerton (voice) | 1 |
 Brad Abrell | Cast | Actor | Agent Trigger (voice) | 4 |
 Brian Bloom | Cast | Actor | Rumble McSkirmish (voice) | 4 |
 Chris Parnell | Cast | Actor | Additional Voices (voice) | 1 |
 Chris Wylde | Cast | Actor | Additional Voices (voice) | 1 |
 Clancy Brown | Cast | Actor | British Dog Man (voice) | 1 |
 Conrad Vernon | Cast | Actor | Tate McGucket (voice) | 1 |
 Coolio | Cast | Actor | Wax Coolio (voice) | 1 |
 Corey Burton | Cast | Actor | Keyhole (voice) / Additional Voices (voice) | 1 |
 Danielle Fishel | Cast | Actress | Pyronica (voice) | 3 |
 Daryl Sabara | Cast | Actor | Son on Pier (voice) | 1 |
 Dee Bradley Baker | Cast | Actor | Sprott (voice) | 1 |
 Diedrich Bader | Cast | Actor | Dundgren (voice) | 2 |
 Frank Caliendo | Cast | Actor | Sergei (voice) | 1 |
 Fred Tatasciore | Cast | Actor | Ogre (voice) / Additional Voices (voice) | 1 |
 Greg Ellis | Cast | Actor | Wax William Shakespeare (voice) | 1 |
 Gregg Turkington | Cast | Actor | Toby Determined (voice) | 16 |
 Grey DeLisle | Cast | Actress | Carla McCorkle (voice) / Additional Voices (voice) | 1 |
 Horatio Sanz | Cast | Actor | Additional Voices (voice) | 1 |
 J.K. Simmons | Cast | Actor | Stanford Pines (voice) | 8 |
 Jason Ritter | Cast | Actor | Dipper Pines (voice) | 40 |
 Jeff Bennett | Cast | Actor | Summerween Trickster (voice) | 1 |
Jennifer Coolidge | Cast | Actress | Lazy Susan (voice) | 14 |
 Jessica DiCicco | Cast | Actress | Tambry (voice) / Mean Girl (voice) | 1 |
 Jim Cummings | Cast | Actor | Pirate Lilliputtian (voice) | 1 |
 John DiMaggio | Cast | Actor | Vegas Rapper (voice) | 1 |
 John O'Hurley | Cast | Actor | Knight Lilliputtian (voice) | 1 |
 John Oliver | Cast | Actor | Wax Sherlock Holmes (voice) | 1 |
 Jon Stewart | Cast | Actor | Judge Kitty Kitty Meow Meow Face-Shwartstein (voice) | 1 |
 Jonathan Banks | Cast | Actor | Filbrick Pines (voice) | 1 |
 Ken Hudson Campbell | Cast | Actor | Ergman Bratzman (voice) | 1 |
 Ken Jenkins | Cast | Actor | Pa Duskerton (voice) | 1 |
 Kevin Michael Richardson | Cast | Actor | Sheriff Blubs (voice) / Ghost-Eyes (voice) / Prisoner (voice) | 1 |
 Kyle MacLachlan | Cast | Actor | Bus Driver (voice) | 1 |
 Lance Bass | Cast | Actor | Sev'ral Timez member (voice) | 1 |
 Larry King | Cast | Actor | Wax Larry King (voice) | 2 |
 Linda Cardellini | Cast | Actress | Wendy Corduroy (voice) | 40 |
 Louis C.K. | Cast | Actor | The Horrifying Sweaty One-Armed Monstrosity (voice) | 2 |
 Mark Hamill | Cast | Actor | Mysterious Old Man (voice) | 1 |
Matt Chapman | Cast | Actor | Sprott (voice) / Additional Voices (voice) | 1 |
 Michael Gough | Cast | Actor | Wax Groucho Marx (voice) | 1 |
 Mikey Kelley | Cast | Actor | Announcer (voice) | 1 |
 Nathan Fillion | Cast | Actor | Preston Northwest (voice) | 4 |
 Nick Offerman | Cast | Actor | Agent Powers (voice) | 4 |
 Patton Oswalt | Cast | Actor | Franz (voice) | 1 |
 Peter Serafinowicz | Cast | Actor | Blind Ivan (voice) | 1 |
 Scott Menville | Cast | Actor | Nate (voice) | 3 |
 Stephen Root | Cast | Actor | Bud Gleeful (voice) | 5 |
 Tara Strong | Cast | Actress | Sue (voice) / Additional Voices (voice) | 1 |
 Will Friedle | Cast | Actor | Reginald (voice) | 1 |
 Chelsea Peretti | Cast | Actress | Darlene (voice) | 1 |
 Eric Bauza | Cast | Actor | Ernesto (voice) | 1 |
 Jackie Buscarino | Cast | Actress | Pacifica Northwest (voice) | 6 |
 James Adomian | Cast | Actor | Additional Voices (voice) | 1 |
 Jorma Taccone | Cast | Actor | Gabe Bensen (voice) | 2 |
 Justin Roiland | Cast | Actor | Blendin Blandin (voice) | 4 |
 Kari Wahlgren | Cast | Actress | Shandra Jimenez (voice) | 3 |
 Keith Ferguson | Cast | Actor | Additional Voices (voice) | 1 |
 Kimberly Brooks | Cast | Actress | Sassica (voice) | 1 |
 Kristen Schaal | Cast | Actress | Mabel Pines (voice) | 40 |
 Neil deGrasse Tyson | Cast | Actor | Waddles' Machine (voice) | 1 |
Niki Yang | Cast | Actress | Candy Chiu (voice) | 13 |
 Paul Scheer | Cast | Actor | Gary (voice) | 1 |
Alex Hirsch | Cast | Actor | Grunkle Stan / Soos Ramirez / Old Man McGucket (voice) | 40 |
 Blake Bertrand | Cast | Actor | Mummy Kid (voice) | 1 |
 Jennifer Cody | Cast | Actress | Additional Voices (voice) | 1 |
 Jillian Bell | Cast | Actress | Melody (voice) | 2 |
 Joshua Rush | Cast | Actor | Soldier Kid (voice) | 1 |
 Kurt Braunohler | Cast | Actor | Greg Valentino / Teen (voice) | 1 |
Nicole Mitchell | Cast | Additional Voices (voice) | 1 | |
 Patrick McHale | Cast | Actor | Hectorgon (voice) | 3 |
 Sam Marin | Cast | Actor | Celestabellebethabelle (voice) | 1 |
 T.J. Miller | Cast | Actor | Robbie Valentino (voice) / Additional Voices (voice) | 3 |
 Thurop Van Orman | Cast | Actor | Gideon Gleeful (voice) | 9 |
 Stuart Allan | Cast | Actor | Young Stan (voice) | 1 |
 Carter Hastings | Cast | Actor | Charlie (voice) | 1 |
Genesis Ochoa | Cast | Actress | Young Tambry (voice) | 1 |
 Mckenna Grace | Cast | Actress | Additional Voices (voice) | 1 |
Jacob Shinder | Cast | Kid (voice) | 1 | |
 Pippa Haywood | Cast | Actress | Wax Lizzie Borden (voice) | 1 |
Carl Faruolo | Cast | Actor | Grenda (voice) / Bully (voice) | 1 |
 Dave Wittenberg | Cast | Actor | Lolph (voice) / Time Baby (voice) | 3 |
Mike Rianda | Cast | Actor | Additional Voices (voice) | 1 |
 Amory Watterson | Cast | Actress | Young Wendy (voice) | 1 |
 Cecil Baldwin | Cast | Tad Strange (voice) | 2 | |
 A. Smith Harrison | Cast | Deep Voice Dipper (voice) | 1 | |
Dana Terrace | Cast | Actress | Self | 1 |
Zaden Lipman | Cast | Hilkop Hyges (voice) | 1 | |
Ariel Hirsch | Cast | Actress | Additional Voices (voice) | 1 |
Nicolas Isler | Cast | Nicolas (voice) | 1 | |
Bryan Kopta | Cast | Actor | Deputy Deluth (voice) | 1 |
Mariah Amundsen | Cast | Mariah (voice) | 1 | |
Georgia G. Gillespie | Cast | Girl with Bow (voice) | 1 | |
| Person | Type | Job | Role(s) | Episodes |
