TV Show Cast (115)

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  Eden Sher

  Star Butterfly (voice) (140 Episodes)

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  Adam McArthur

  Marco Diaz (voice) (140 Episodes)

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  Alan Tudyk

  Ludo (voice) / King River Butterfly (voice) (140 Episodes)

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  Grey DeLisle

  Queen Moon Butterfly (voice) (13 Episodes), Jackie Lynn Thomas (voice) (10 Episodes), Queen Moon (voice) (5 Episodes), Queen Moon Butterfly / Jackie Lynn Thomas (voice) (3 Episodes), Bird Monster / Additional Voices (voice) (1 Episode), Koala Patron (voice) (1 Episode), Queen Butterfly (voice) (1 Episode)

• 

  Fred Tatasciore

  Buff Frog (voice) (18 Episodes), Talon Raventalon (voice) (3 Episodes), Quest Buy Sloth Clerks / Old Guy / Additional Voices (voice) (1 Episode), Talon (voice) (1 Episode), Buff Frog / Additional Voices (voice) (1 Episode), Elephant Monster / Additional Voices (voice) (1 Episode), Sloth Employees (voice) (1 Episode), Sloth Worker / Talon Raventalon / Additional Voices (voice) (1 Episode), Sloth Worker (voice) (1 Episode), Beard Deer (voice) (1 Episode)

• 

  Abby Elliott

  Janna Ordonia (voice) (22 Episodes), Porcupine Monster (voice) (1 Episode)

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  Rider Strong

  Tom Lucitor (voice) (23 Episodes)

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  Esmé Bianco

  Eclipsa (voice) (23 Episodes)

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  Jeff Bennett

  Principal Skeeves (voice) (6 Episodes), Bearicorn (voice) (5 Episodes), Additional Voices (voice) (2 Episodes), Gemini / Additional Voices (voice) (2 Episodes), Francis / Justin / Spider Tour Guide (voice) (1 Episode), Francis (voice) (1 Episode), Justin Armberg (voice) (1 Episode), Principal Skeeves / Additional Voices (voice) (1 Episode), Bearicorn / Giraffe Monster (voice) (1 Episode), Gemini (voice) (1 Episode), Gemini / King Shastacan / Coachman / Additional Voices (voice) (1 Episode)

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  Jenny Slate

  Pony Head (voice) (20 Episodes)

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  Artt Butler

  Mr. Diaz (voice) (9 Episodes), Rafael Diaz (voice) (6 Episodes), Rafael Diaz / Vendor (voice) (1 Episode)

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  Zosia Mamet

  Hekapoo (voice) (16 Episodes)

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  Dee Bradley Baker

  Bald Eagle / Giant Spider (voice) (3 Episodes), Additional Voices (voice) (2 Episodes), Mewnian Rats (voice) (2 Episodes), Lekmet (voice) (2 Episodes), Bald Eagle / Mewnian Rats / Additional Voices (voice) (1 Episode), Yarn Monster (voice) (1 Episode), Lady Lucitor (voice) (1 Episode), King Pigeon / Queen Pigeon / Pigeons / Additional Voices (voice) (1 Episode), Hydra (voice) (1 Episode), Lekmet / Bald Eagle / Giant Spider / Mewnian Rats (voice) (1 Episode)

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  Mark Gagliardi

  Conjoinican (voice) (3 Episodes), Quirky Guy (voice) (2 Episodes), Police Officer / Prince / Waiter (voice) (1 Episode), Prince Larry Kelpbottom / Additional Voices (voice) (1 Episode), Rhombulus' Hands / Pizza Guy (voice) (1 Episode), Man Arm (voice) (1 Episode), Pizza Guy / Additional Voices (voice) (1 Episode), Captain Seabunny (voice) (1 Episode), Lord Lucitor (voice) (1 Episode), Boo Fly (voice) (1 Episode), Additional Voices (voice) (1 Episode)

• 

  Jeffrey Tambor

  Glossaryck (voice) (13 Episodes)

• 

  Daron Nefcy

  Additional Voices (voice) (4 Episodes), StarFan13 (voice) (3 Episodes), Sabrina (voice) (2 Episodes), Becky (voice) (1 Episode), Lint Monster / Additional Voices (voice) (1 Episode), Squirrel Monster / Additional Voices (voice) (1 Episode), StarFan13 / Additional Voices (voice) (1 Episode)

• 

  Kevin Michael Richardson

  Rhombulus (voice) (10 Episodes), Rhombulus / Additional Voices (voice) (1 Episode), Rhombulus / Platypus Monster / Additional Voices (voice) (1 Episode)

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  Dana Davis

  Kelly (voice) (8 Episodes), Lady Whosits (voice) (1 Episode), Kelly / Kelly's Mom / Additional Voices (voice) (1 Episode), Lady Whosits / Additional Voices (voice) (1 Episode), Kelly / Lady Whosits (voice) (1 Episode)

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  Michael C. Hall

  Toffee (voice) (11 Episodes)

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  Jon Heder

  Oskar Greason (voice) (11 Episodes)

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  Nia Vardalos

  Mrs. Diaz (voice) (6 Episodes), Angie Diaz (voice) (5 Episodes)

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  Keith David

  Glossaryck (voice) (11 Episodes)

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  Eric Bauza

  Cloudy (voice) (6 Episodes), Additional Voices (voice) (2 Episodes), Sir Stabby / Additional Voices (voice) (1 Episode), Spider with a Top Hat / Additional Voices (voice) (1 Episode), Cloudy / Additional Voices (voice) (1 Episode)

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  Nate Torrence

  Ferguson (voice) (10 Episodes)

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  Jessica Walter

  Meteora Heinous (voice) (5 Episodes), Miss Heinous (voice) (4 Episodes)

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  Amy Sedaris

  Mina Loveberry (voice) (8 Episodes), Lydia (voice) (1 Episode)

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  DeeDee Rescher

  Miss Skullnick (voice) (8 Episodes)

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  Kimaya Thais

  Katrina (voice) (6 Episodes), Additional Voices (2 Episodes)

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  Carl Weathers

  Omnitraxus Prime (voice) (8 Episodes)

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  Matt Chapman

  Alfonzo (voice) (7 Episodes)

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  Nick Swardson

  Sensei (voice) (7 Episodes)

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  Natalie Palamides

  Foolduke (voice) (6 Episodes), Snail (voice) (1 Episode)

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  Patrick Stump

  Ruberiot (voice) (6 Episodes)

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  Eddie Perino

  Seahorse (voice) (6 Episodes)

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  John DiMaggio

  Lord Brudo (voice) (2 Episodes), Dogbull (voice) (1 Episode), Sea Serpent (voice) (1 Episode), Additional Voices (voice) (1 Episode)

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  Joshua Rush

  Jeremy Birnbaum (voice) (4 Episodes)

• 

  Greg Cipes

  Tad (voice) (3 Episodes), Aaron Dominic (voice) (1 Episode)

• 

  Dave Allen

  Mr. Candle (voice) (3 Episodes), Sir Crandle (voice) (1 Episode)

• 

  Tress MacNeille

  Lady Avarius (voice) (2 Episodes), Exasperella / Additional Voices (voice) (1 Episode), St. Olga / Young Meteora / Additional Voices (voice) (1 Episode)

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  Kate Higgins

  Firstborn (voice) (3 Episodes), White Baby Unicorn (voice) (1 Episode)

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  Damon Jones

  Sir Lavabo (voice) (4 Episodes)

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  Gary Anthony Williams

  Rich Pigeon (voice) (2 Episodes), Rich Pigeon / Hairy Monster / Additional Voices (voice) (1 Episode), Rich Pigeon / Additional Voices (voice) (1 Episode)

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  Jaime Camil

  Globgor (voice) (4 Episodes)

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  Jim Gaffigan

  Father Time (voice) (3 Episodes)

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  Maurice LaMarche

  King Pony Head (voice) (3 Episodes)

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  Minae Noji

  Brittney Wong (voice) (3 Episodes)

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  Chris Tergliafera

  Rasticore (voice) (3 Episodes)

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  Atticus Shaffer

  Dennis (voice) (3 Episodes)

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  Arif S. Kinchen

  Princess Smooshy (voice) (1 Episode), Rat Princess / Additional Voices (voice) (1 Episode), Princess Smooshy / Rat Princess / Additional Voices (voice) (1 Episode)

• 

  Leigh-Allyn Baker

  Mail Monster (voice) (2 Episodes), Unicorn (voice) (1 Episode)

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  Greg Ellis

  Manfred (voice) (2 Episodes), Manfred / Additional Voices (voice) (1 Episode)

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  Juliana Hansen

  Princess Spiderbite (voice) (3 Episodes)

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  Josh Sussman

  Sean (voice) (2 Episodes), Rock Johansen / Mole Monster / Additional Voices (voice) (1 Episode)

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  Justin Roiland

  Doop-Doop (voice) (2 Episodes)

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  Brian Posehn

  Lobster Claws (voice) (2 Episodes)

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  Stephen Root

  Brian (voice) (2 Episodes)

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  Sean Schemmel

  Box of Truth (voice) (2 Episodes)

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  Natasha Rothwell

  Brunzetta (voice) (2 Episodes)

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  Lauren Lapkus

  Higgs (voice) (2 Episodes)

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  Bobby Miller

  Slime (voice) (2 Episodes)

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  Nicole Byer

  Princess Arms (voice) (1 Episode), Princess Arms / Princess Jaggs (voice) (1 Episode)

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  Kari Wahlgren

  Baby Meteora (voice) (2 Episodes)

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  Alex Hirsch

  Ben Fotino (voice) (1 Episode)

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  Jessica Paré

  Chloe (voice) (1 Episode)

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  Isabella Gómez

  Teenage Mariposa (voice) (1 Episode)

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  Bryana Salaz

  Teenage Meteora (voice) (1 Episode)

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  Max Mittelman

  Wyscan (voice) (1 Episode)

• 

  Desus Nice

  Pickles (voice) (1 Episode)

• 

  The Kid Mero

  Needles (voice) (1 Episode)

• 

  Gemma Whelan

  Solaria Butterfly (voice) (1 Episode)

• 

  Corey Burton

  Monster Arm (voice) (1 Episode)

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  Rob Paulsen

  Gustav (voice) (1 Episode)

• 

  April Winchell

  Riddle Sphinx (voice) (1 Episode)

• 

  Danny Woodburn

  Pixie Taskmaster (voice) (1 Episode)

• 

  Anna Camp

  Pixie Empress (voice) (1 Episode)

• 

  Gwendoline Yeo

  Mrs. Liao (voice) (1 Episode)

• 

  Jamie Kennedy

  Helios (voice) (1 Episode)

• 

  Jodi Benson

  Singing Teacher (voice) (1 Episode)

• 

  Lyons Mathias

  Laser Puppy (voice) (1 Episode)

• 

  John Mathot

  VHS Guy (voice) (1 Episode)

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  Mayim Bialik

  Willoughby (voice) (1 Episode)

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  Yvette Nicole Brown

  Brigid (voice) (1 Episode)

• 

  "Weird Al" Yankovic

  Preston (voice) (1 Episode)

• 

  Sonny Ashbourne Serkis

  Young River Johansen (voice) (1 Episode)

• 

  Jess Harnell

  Old Songstrel (singing voice) (1 Episode)

• 

  Jerry Trainor

  Roy (voice) (1 Episode)

• 

  Tom Kenny

  Additional Voices (voice) (1 Episode)

• 

  Danielle Fishel

  Librarian (voice) (1 Episode)

• 

  Phil LaMarr

  Kelly's Dad / Additional Voices (voice) (1 Episode)

• 

  Jenna Lea Rosen

  Mewni Youth Choir (singing voice) (1 Episode)

• 

  Scott Menville

  Zeke / Corn Cob Vendor (voice) (1 Episode)

• 

  Ralph Ineson

  Demoncist (voice) (1 Episode)

• 

  Carol Kane

  Dr. Jelly Goodwell (voice) (1 Episode)

• 

  David Krumholtz

  Cobalt Ferrero (voice) (1 Episode)

• 

  James Kyson

  Bam Ui Pati Actor (voice) (1 Episode)

• 

  Agnes Shin

  Bam Ui Pati Main Actress / Additional Voices (voice) (1 Episode)

• 

  Laura Silverman

  Krysthalle Pony Head / Additional Voices (voice) (1 Episode)

• 

  Bresha Webb

  Hornanne Pony Head / Additional Voices (voice) (1 Episode)

• 

  Rhys Darby

  Eddie (voice) (1 Episode)

• 

  Nika Futterman

  Additional Voices (voice) (1 Episode)

• 

  Roger Craig Smith

  Additional Voices (voice) (1 Episode)

• 

  Tony Hale

  Pie King / Additional Voices (voice) (1 Episode)

• 

  Julian Edwards

  Additional Voices (voice) (1 Episode)

• 

  Tajna Tanovic

  Ingrid (voice) (1 Episode)

• 

  Bennett Abara

  Princess Quasar (voice) (1 Episode)

• 

  Ross Bryant

  Reynaldo (voice) (1 Episode)

• 

  Steve Little

  Spider with a Top Hat (voice) (1 Episode)

• 

  Ron Lynch

  Richard / Flying Pig (voice) (1 Episode)

• 

  Chris Redd

  Hypnoslumber (voice) (1 Episode)

• 

  Maria Bamford

  Make-Up Blast (voice) (1 Episode)

• 

  Hynden Walch

  Babs (voice) (1 Episode)

• 

  Will Forte

  Tyler / Hunter / Chet / Blue Helmet Kid (voice) (1 Episode)

• 

  Bill Hader

  Additional Voices (voice) (1 Episode)

• 

  Madeleine McGraw

  Young Moon Butterfly (voice) (1 Episode)

• 

  Susan Bennett

  Card (voice) (1 Episode)

TV Show Crew (62)