| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Brian A. Miller | Crew | Production | Executive Producer | 156 |
 Derek Drymon | Crew | Production | Producer | 156 |
 James Baxter | Crew | Visual Effects | Animation | 1 |
 Kent Osborne | Crew | Writing | Writer, Storyboard, Story | 131 |
Kevin Kolde | Crew | Production | Producer | 156 |
 Larry Leichliter | Crew | Directing | Director | 15 |
Luther McLaurin | Crew | Writing | Writer | 1 |
Mark Banker | Crew | Writing | Writer | 156 |
Nick Jennings | Crew | Art | Art Direction | 2 |
Tim Brock | Crew | Art | Background Designer | 43 |
Curtis Lelash | Crew | Production | Executive Producer | 156 |
Jennifer Pelphrey | Crew | Production | Executive Producer | 156 |
Kelly Crews | Crew | Production | Producer | 156 |
 Masaaki Yuasa | Crew | Directing | Director, Writer, Storyboard Artist | 1 |
 Niki Yang | Crew | Writing | Writer | 131 |
 Steve Little | Crew | Writing | Writer | 1 |
 Adam Muto | Crew | Writing | Writer, Director, Story | 13 |
Armen Mirzaian | Crew | Writing | Writer | 1 |
 Elizabeth Ito | Crew | Directing | Director | 2 |
 Patrick McHale | Crew | Directing | Director, Writer, Story | 1 |
 Pendleton Ward | Crew | Writing | Writer, Executive Producer, Theme Song Performance, Story, Creator | 279 |
Rob Sorcher | Crew | Production | Executive Producer | 156 |
 Thurop Van Orman | Crew | Production | Supervising Producer, Writer, Producer | 279 |
 Ashly Burch | Crew | Writing | Story | 1 |
Cole Sanchez | Crew | Directing | Director, Writer, Storyboard | 1 |
 Julia Pott | Crew | Writing | Story | 1 |
 Kirsten Lepore | Crew | Directing | Director, Writer | 1 |
 Rebecca Sugar | Crew | Writing | Writer | 21 |
Tobias von Burkersroda | Crew | Visual Effects | Animation | 1 |
Tom Herpich | Crew | Writing | Writer | 131 |
Jesse Moynihan | Crew | Writing | Writer, Story | 3 |
Parzival Rothlein | Crew | Visual Effects | Animation Manager | 1 |
Tim McKeon | Crew | Writing | Writer | 156 |
 Eunyoung Choi | Crew | Art | Creative Director | 1 |
Mike Collins | Crew | Art | Art Department Manager | 279 |
Seo Kim | Crew | Writing | Storyboard, Writer | 1 |
Somvilay Xayaphone | Crew | Writing | Writer, Storyboard | 1 |
 Fred Seibert | Crew | Production | Executive Producer | 156 |
Merriwether Williams | Crew | Writing | Writer | 1 |
 Nate Cash | Crew | Directing | Director | 1 |
Bert Youn | Crew | Writing | Writer | 1 |
Jack Pendarvis | Crew | Writing | Story | 1 |
David Ferguson | Crew | Directing | Director, Animation, Writer, Storyboard | 1 |
 Ako Castuera | Crew | Writing | Writer | 2 |
Gary Kachelhoffer | Crew | Visual Effects | Animation | 1 |
 'Weird Al' Yankovic | Cast | Actor | Banana Man | 3 |
 Alan Oppenheimer | Cast | Actor | Darren the Ancient Sleeper/Sun (voice) | 1 |
 Alan Tudyk | Cast | Actor | Chatsberry (voice) | 2 |
 Alia Shawkat | Cast | Actress | Betsy (voice) | 1 |
 Beau Billingslea | Cast | Actor | The Moon (voice) | 1 |
 Billy West | Cast | Actor | Goose / Erik Adamkinson / Mayor (voice) | 1 |
 Biz Markie | Cast | Actor | 1 | |
 Bobcat Goldthwait | Cast | Actor | 1 | |
 Brian Doyle-Murray | Cast | Actor | Prince Huge | 1 |
 Brian Posehn | Cast | Actor | 1 | |
 Creed Bratton | Cast | Actor | Phlannel Boxingday (voice) | 1 |
 Crispin Freeman | Cast | Actor | Turtle Prince | 1 |
 Dave Foley | Cast | Actor | Warren Ampersand (voice) | 1 |
 Dee Bradley Baker | Cast | Actor | Mr. Cream Puff / Mr. Cupcake / Chet (voice) | 1 |
 Donald Faison | Cast | Actor | Princess Cookie | 1 |
 Emo Philips | Cast | Actor | Cuber (voice) | 5 |
 George Takei | Cast | Actor | Ricardio | 2 |
 Grey DeLisle | Cast | Actress | Ice Queen | 2 |
 Henry Rollins | Cast | Actor | Cookie (voice) | 1 |
 Hynden Walch | Cast | Actress | Princess Bubblegum (voice) | 279 |
James Baxter | Cast | James Baxter | 1 | |
 James Urbaniak | Cast | Actor | Rat King / Leaf Beard | 1 |
 John DiMaggio | Cast | Actor | Additional Voices (voice) | 1 |
 John Moschitta Jr. | Cast | Actor | Key-per (voice) | 1 |
 Kay Lenz | Cast | Actress | Bird Woman | 1 |
 Keith David | Cast | Actor | Balthus (voice) | 1 |
Kent Osborne | Cast | Actor | Additional Voices (voice) | 1 |
 Kevin Michael Richardson | Cast | Actor | Donny | 1 |
 Laraine Newman | Cast | Actress | Widow / Additional Voices (voice) | 1 |
 Laura Silverman | Cast | Actress | Ethel Rainicorn | 2 |
 LeVar Burton | Cast | Actor | Bubble (voice) | 1 |
 Lennon Parham | Cast | Actress | Additional Voices (voice) | 1 |
 Lou Ferrigno | Cast | Actor | Billy | 3 |
 Lucy Lawless | Cast | Actress | General Tarsal (voice) | 1 |
 M. Emmet Walsh | Cast | Actor | Cosmic Owl | 3 |
 Marc Maron | Cast | Actor | Squirrel | 1 |
 Maria Bamford | Cast | Actress | Manfried / Chocoberry / Candy Corn Girl (voice) | 1 |
 Mark Hamill | Cast | Actor | Dark Magician (voice) | 3 |
 Martin Olson | Cast | Actor | Hunson Abadeer (voice) | 1 |
 Matthew Broderick | Cast | Actor | Dream Warrior | 1 |
 Maurice LaMarche | Cast | Actor | Grand Master Wizard (voice) | 1 |
 Neil Patrick Harris | Cast | Actor | Prince Gumball | 3 |
 Paige Moss | Cast | Actress | Princess Bubblegum (voice) | 1 |
 Pamela Adlon | Cast | Actress | Gunther (voice) | 1 |
 Paul Reubens | Cast | Actor | Gnome Ruler/Dancing Bug (voice) | 1 |
 Peter Serafinowicz | Cast | Actor | Lumpy Space Prince | 1 |
 Ron Lynch | Cast | Actor | 1 | |
 Roz Ryan | Cast | Actress | Cake | 4 |
 Stephen Root | Cast | Actor | Martin (voice) | 1 |
 Steve Agee | Cast | Actor | Ash (voice) | 1 |
 Susie Essman | Cast | Actress | 1 | |
 Toby Huss | Cast | Actor | Booboo / Commander | 1 |
 Tom Kenny | Cast | Actor | Flying Lettuce Brother (voice) | 1 |
 Andy Milonakis | Cast | Actor | Neptr | 2 |
 Andy Samberg | Cast | Actor | Party Splat | 1 |
 Brian Baumgartner | Cast | Actor | Georgy / Private | 1 |
 Chelsea Peretti | Cast | Actress | Queen of Ooo (voice) | 1 |
 Eric Bauza | Cast | Actor | Buttersotch Butler (voice) | 1 |
 Felicia Day | Cast | Actress | Betty (voice) | 2 |
 Jackie Buscarino | Cast | Actress | Susan Strong / Kara / Additional Voices (voice) | 1 |
 Jeremy Shada | Cast | Actor | Finn the Human (voice) | 279 |
 John Hodgman | Cast | Actor | DJ Plop Drops | 1 |
 Justin Roiland | Cast | Actor | Lemonpink (voice) | 1 |
 Kate Micucci | Cast | Actress | Chips (voice) | 1 |
 Kristen Schaal | Cast | Actress | Jack Jr (voice) | 1 |
 Lauren Lapkus | Cast | Actress | Patience St. Pim (voice) | 3 |
 Madeleine Martin | Cast | Actress | Fionna | 4 |
 Mark Proksch | Cast | Actor | Johnnie | 1 |
Niki Yang | Cast | Actress | BMO / Lady Rainicorn (voice) | 279 |
 Olivia Olson | Cast | Actress | Marceline the Vampire Queen (voice) | 279 |
 Paul Scheer | Cast | Actor | Toronto (voice) | 1 |
 Riki Lindhome | Cast | Actress | Ice Cream (voice) | 1 |
 Sharon Horgan | Cast | Actress | Minerva (voice) | 2 |
Steve Little | Cast | Actor | Abracadaniel (voice) | 2 |
 Donald Glover | Cast | Actor | Marshall Lee | 2 |
 Hannibal Buress | Cast | Actor | Flame Prince | 1 |
 Isabella Acres | Cast | Actress | Young Princess Bubblegum | 3 |
 J.G. Quintel | Cast | Actor | Blue Jay (voice) | 1 |
 Jenny Slate | Cast | Actress | Huntress Wizard (voice) | 2 |
Pendleton Ward | Cast | Actor | Lumpy Space Princess (voice) | 279 |
 Sam Marin | Cast | Actor | Gareth / Flying Lettuce Brother (voice) | 1 |
Thurop Van Orman | Cast | Actor | Kent | 1 |
 Willow Smith | Cast | Actress | Beth (voice) | 1 |
Ashly Burch | Cast | Actress | Celina / Cheryl (voice) | 1 |
 Ava Acres | Cast | Actress | Sunshine / Jamaica (voice) | 1 |
Cole Sanchez | Cast | Party God (voice) | 1 | |
 Kumail Nanjiani | Cast | Actor | Prismo (voice) | 6 |
 Melissa Villaseñor | Cast | Actress | Clerk (voice) | 1 |
 Polly Lou Livingston | Cast | Actress | Tree Trunks (voice) | 279 |
 Sean Giambrone | Cast | Actor | Shermy (voice) | 1 |
 Elle Newlands | Cast | Actress | Butterscotch Butler | 1 |
 Kyla Rae Kowalewski | Cast | Actress | Me-Mow | 2 |
 Fred Stoller | Cast | Actor | Roy | 1 |
 Collin Dean | Cast | Actor | Tiffany (voice) | 1 |
Steve Wolfhard | Cast | Slimy D (voice) | 1 | |
Bert Youn | Cast | Actor | Lee | 1 |
David Ferguson | Cast | Lifeguard | 1 | |
Ako Castuera | Cast | Canyon | 2 | |
 Open Mike Eagle | Cast | Actor | Gingerbread Rapper / Rapper Chipmunk (voice) | 1 |
 Dan Mintz | Cast | Actor | Tv (voice) | 4 |
| Person | Type | Job | Role(s) | Episodes |
