| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Dave Wasson | Crew | Directing | Director, Story | 24 |
 Brian H. Kim | Crew | Sound | Original Music Composer | 140 |
 Giancarlo Volpe | Crew | Directing | Director, Writer | 3 |
Ian Wasseluk | Crew | Writing | Writer, Story, Storyboard Artist | 6 |
 Katie Crown | Crew | Writing | Story | 1 |
Kenny Pittenger | Crew | Writing | Writer | 1 |
Mark Ackland | Crew | Writing | Writer | 1 |
 Dominic Bisignano | Crew | Directing | Director, Writer, Story | 8 |
John Infantino | Crew | Writing | Story, Story Editor | 16 |
Piero Piluso | Crew | Directing | Director, Writer, Story | 9 |
Todd Casey | Crew | Writing | Story, Staff Writer | 10 |
Christopher Graham | Crew | Writing | Writer | 3 |
Michael Mullen | Crew | Directing | Director, Writer, Storyboard, Story | 11 |
Riccardo Durante | Crew | Writing | Writer | 1 |
 Daron Nefcy | Crew | Writing | Story, Writer, Storyboard, Executive Producer, Creator | 26 |
Jordana Arkin | Crew | Writing | Story | 5 |
 Nate Cash | Crew | Writing | Writer | 1 |
Danielle Koenig | Crew | Writing | Story | 2 |
Casey Crowe | Crew | Writing | Writer | 4 |
Amalia Levari | Crew | Writing | Story | 1 |
 Lane Lueras | Crew | Writing | Writer, Storyboard | 1 |
Aleth Romanillos | Crew | Writing | Writer | 1 |
Bert Youn | Crew | Writing | Writer | 1 |
Madeleine Flores | Crew | Writing | Writer | 3 |
Dave Stone | Crew | Writing | Writer, Storyboard | 1 |
Charlotte Jackson | Crew | Writing | Writer | 4 |
Brett Varon | Crew | Writing | Writer, Director | 1 |
Zach Marcus | Crew | Writing | Writer | 2 |
Aaron Hammersley | Crew | Directing | Director, Writer, Storyboard, Story | 14 |
Zeus Cervas | Crew | Writing | Writer | 2 |
 Carrie Liao | Crew | Writing | Writer | 4 |
Mike Yank | Crew | Writing | Story | 8 |
Scott O'Brien | Crew | Writing | Writer | 1 |
 Carlos Ramos | Crew | Writing | Writer | 1 |
Keith Kaczorek | Crew | Writing | Story | 1 |
 Tyler Chen | Crew | Writing | Writer, Director | 4 |
Kyle Neswald | Crew | Writing | Writer | 2 |
John Mathot | Crew | Writing | Writer | 2 |
Jushtin Lee | Crew | Writing | Writer | 2 |
Evon Freeman | Crew | Writing | Writer | 3 |
 Carder Scholin | Crew | Writing | Writer | 2 |
Le Tang | Crew | Writing | Writer | 2 |
 Amy Higgins | Crew | Writing | Story, Staff Writer | 16 |
Ariel Vracin-Harrell | Crew | Writing | Writer | 2 |
 'Weird Al' Yankovic | Cast | Actor | Preston (voice) | 1 |
 Alan Tudyk | Cast | Actor | Ludo (voice) / King River Butterfly (voice) | 140 |
 Amy Sedaris | Cast | Actress | Mina Loveberry (voice) | 8 |
 April Winchell | Cast | Actress | Riddle Sphinx (voice) | 1 |
 Arif S. Kinchen | Cast | Actor | Rat Princess / Additional Voices (voice) | 1 |
 Bill Hader | Cast | Actor | Additional Voices (voice) | 1 |
 Brian Posehn | Cast | Actor | Lobster Claws (voice) | 2 |
 Carl Weathers | Cast | Actor | Omnitraxus Prime (voice) | 8 |
 Carol Kane | Cast | Actress | Dr. Jelly Goodwell (voice) | 1 |
 Corey Burton | Cast | Actor | Monster Arm (voice) | 1 |
 Damon Jones | Cast | Actor | Sir Lavabo (voice) | 4 |
 Dana Davis | Cast | Actress | Lady Whosits (voice) | 1 |
 Danielle Fishel | Cast | Actress | Librarian (voice) | 1 |
 Danny Woodburn | Cast | Actor | Pixie Taskmaster (voice) | 1 |
 Dave Allen | Cast | Actor | Sir Crandle (voice) | 1 |
 David Krumholtz | Cast | Actor | Cobalt Ferrero (voice) | 1 |
 Dee Bradley Baker | Cast | Actor | Additional Voices (voice) | 2 |
 DeeDee Rescher | Cast | Actress | Miss Skullnick (voice) | 8 |
 Fred Tatasciore | Cast | Actor | Talon (voice) | 1 |
 Gary Anthony Williams | Cast | Actor | Rich Pigeon / Additional Voices (voice) | 1 |
 Greg Cipes | Cast | Actor | Tad (voice) | 3 |
 Greg Ellis | Cast | Actor | Manfred / Additional Voices (voice) | 1 |
 Grey DeLisle | Cast | Actress | Queen Butterfly (voice) | 1 |
 Hynden Walch | Cast | Actress | Babs (voice) | 1 |
 Jaime Camil | Cast | Actor | Globgor (voice) | 4 |
 Jamie Kennedy | Cast | Actor | Helios (voice) | 1 |
 Jeff Bennett | Cast | Actor | Additional Voices (voice) | 2 |
 Jeffrey Tambor | Cast | Actor | Glossaryck (voice) | 13 |
 Jerry Trainor | Cast | Actor | Roy (voice) | 1 |
 Jess Harnell | Cast | Actor | Old Songstrel (singing voice) | 1 |
 Jessica Paré | Cast | Actress | Chloe (voice) | 1 |
 Jessica Walter | Cast | Actress | Meteora Heinous (voice) | 5 |
 Jim Gaffigan | Cast | Actor | Father Time (voice) | 3 |
 Jodi Benson | Cast | Actress | Singing Teacher (voice) | 1 |
 John DiMaggio | Cast | Actor | Additional Voices (voice) | 1 |
 Josh Sussman | Cast | Actor | Sean (voice) | 2 |
 Juliana Hansen | Cast | Actress | Princess Spiderbite (voice) | 3 |
 Keith David | Cast | Actor | Glossaryck (voice) | 11 |
 Kevin Michael Richardson | Cast | Actor | Rhombulus / Additional Voices (voice) | 1 |
 Laura Silverman | Cast | Actress | Krysthalle Pony Head / Additional Voices (voice) | 1 |
 Leigh-Allyn Baker | Cast | Actress | Mail Monster (voice) | 2 |
 Maria Bamford | Cast | Actress | Make-Up Blast (voice) | 1 |
 Matt Chapman | Cast | Actor | Alfonzo (voice) | 7 |
 Maurice LaMarche | Cast | Actor | King Pony Head (voice) | 3 |
 Mayim Bialik | Cast | Actress | Willoughby (voice) | 1 |
 Michael C. Hall | Cast | Actor | Toffee (voice) | 11 |
 Nia Vardalos | Cast | Actress | Angie Diaz (voice) | 5 |
 Nick Swardson | Cast | Actor | Sensei (voice) | 7 |
 Nika Futterman | Cast | Actress | Additional Voices (voice) | 1 |
 Phil LaMarr | Cast | Actor | Kelly's Dad / Additional Voices (voice) | 1 |
 Ralph Ineson | Cast | Actor | Demoncist (voice) | 1 |
 Rhys Darby | Cast | Actor | Eddie (voice) | 1 |
 Rider Strong | Cast | Actor | Tom Lucitor (voice) | 23 |
 Rob Paulsen | Cast | Actor | Gustav (voice) | 1 |
 Ron Lynch | Cast | Actor | Richard / Flying Pig (voice) | 1 |
 Scott Menville | Cast | Actor | Zeke / Corn Cob Vendor (voice) | 1 |
 Sean Schemmel | Cast | Actor | Box of Truth (voice) | 2 |
 Stephen Root | Cast | Actor | Brian (voice) | 2 |
 Tom Kenny | Cast | Actor | Additional Voices (voice) | 1 |
 Tony Hale | Cast | Actor | Pie King / Additional Voices (voice) | 1 |
 Tress MacNeille | Cast | Actress | St. Olga / Young Meteora / Additional Voices (voice) | 1 |
 Will Forte | Cast | Actor | Tyler / Hunter / Chet / Blue Helmet Kid (voice) | 1 |
 Zosia Mamet | Cast | Actress | Hekapoo (voice) | 16 |
 Adam McArthur | Cast | Actor | Marco Diaz (voice) | 140 |
 Bobby Miller | Cast | Actor | Slime (voice) | 2 |
 Eddie Perino | Cast | Actor | Seahorse (voice) | 6 |
 Eden Sher | Cast | Actress | Star Butterfly (voice) | 140 |
 Eric Bauza | Cast | Actor | Cloudy / Additional Voices (voice) | 1 |
 Gwendoline Yeo | Cast | Actress | Mrs. Liao (voice) | 1 |
 James Kyson | Cast | Actor | Bam Ui Pati Actor (voice) | 1 |
 Jon Heder | Cast | Actor | Oskar Greason (voice) | 11 |
 Justin Roiland | Cast | Actor | Doop-Doop (voice) | 2 |
 Kari Wahlgren | Cast | Actress | Baby Meteora (voice) | 2 |
 Kate Higgins | Cast | Actress | White Baby Unicorn (voice) | 1 |
 Lauren Lapkus | Cast | Actress | Higgs (voice) | 2 |
 Mark Gagliardi | Cast | Actor | Quirky Guy (voice) | 2 |
 Nate Torrence | Cast | Actor | Ferguson (voice) | 10 |
 Patrick Stump | Cast | Actor | Ruberiot (voice) | 6 |
 Roger Craig Smith | Cast | Actor | Additional Voices (voice) | 1 |
 Steve Little | Cast | Actor | Spider with a Top Hat (voice) | 1 |
 Yvette Nicole Brown | Cast | Actress | Brigid (voice) | 1 |
 Abby Elliott | Cast | Actress | Porcupine Monster (voice) | 1 |
 Alex Hirsch | Cast | Actor | Ben Fotino (voice) | 1 |
 Anna Camp | Cast | Actress | Pixie Empress (voice) | 1 |
 Artt Butler | Cast | Actor | Rafael Diaz / Vendor (voice) | 1 |
 Atticus Shaffer | Cast | Actor | Dennis (voice) | 3 |
 Bresha Webb | Cast | Actress | Hornanne Pony Head / Additional Voices (voice) | 1 |
 Esmé Bianco | Cast | Actress | Eclipsa (voice) | 23 |
 Gemma Whelan | Cast | Actress | Solaria Butterfly (voice) | 1 |
 Jenny Slate | Cast | Actress | Pony Head (voice) | 20 |
 Joshua Rush | Cast | Actor | Jeremy Birnbaum (voice) | 4 |
 Nicole Byer | Cast | Actress | Princess Arms (voice) | 1 |
 Chris Redd | Cast | Actor | Hypnoslumber (voice) | 1 |
 Isabella Gómez | Cast | Actress | Teenage Mariposa (voice) | 1 |
 Max Mittelman | Cast | Actor | Wyscan (voice) | 1 |
Susan Bennett | Cast | Actress | Card (voice) | 1 |
 Madeleine McGraw | Cast | Actress | Young Moon Butterfly (voice) | 1 |
 Natasha Rothwell | Cast | Actress | Brunzetta (voice) | 2 |
 Ross Bryant | Cast | Reynaldo (voice) | 1 | |
 The Kid Mero | Cast | Actor | Needles (voice) | 1 |
 Minae Noji | Cast | Actress | Brittney Wong (voice) | 3 |
 Sonny Ashbourne Serkis | Cast | Actor | Young River Johansen (voice) | 1 |
 Desus Nice | Cast | Actor | Pickles (voice) | 1 |
 Julian Edwards | Cast | Actor | Additional Voices (voice) | 1 |
 Amanda Céline Miller | Cast | Actress | Princess Quasar (voice) | 1 |
Daron Nefcy | Cast | Actress | Squirrel Monster / Additional Voices (voice) | 1 |
 Natalie Palamides | Cast | Actress | Snail (voice) | 1 |
 Bryana Salaz | Cast | Actress | Teenage Meteora (voice) | 1 |
Lyons Mathias | Cast | Actor | Laser Puppy (voice) | 1 |
John Mathot | Cast | Actor | VHS Guy (voice) | 1 |
Chris Tergliafera | Cast | Actor | Rasticore (voice) | 3 |
Jenna Lea Rosen | Cast | Mewni Youth Choir (singing voice) | 1 | |
Kimaya Thais | Cast | Actress | Katrina (voice) | 6 |
| Person | Type | Job | Role(s) | Episodes |
