cast
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John DiMaggio
Jake / Additional Voices (voice)
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Jeremy Shada
Finn / Additional Voices (voice)
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Tom Kenny
Y5's Dad / Ice King / Simon Petrikov / Berdzerd / Additional Voices (voice)
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Hynden Walch
Princess Bubblegum / Additional Voices (voice)
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Niki Yang
BMO / Football / Additional Voices (voice)
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Pendleton Ward
Lumpy Space Princess / Additional Voices (voice)
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Dee Bradley Baker
Centipede / Crab / Additional Voices (voice) / Waffle Cone Trolls / Snow Golem (voice) / Molto Larvo / Additional Voices (voice)
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Jeff Bennett
Choose Goose / Additional Voices (voice) / Choose Goose (voice) / Limeston / Choose Goose / Additional Voices (voice)
- Cole Sanchez Goblin / Additional Voices (voice) / Cole / Lenny Longlegs / Additional Voices (voice) / Little Dude / Additional Voices (voice)
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Maria Bamford
Margaret / Chocoberry / Mother Worm / Additional Voices (voice) / Sandy / Additional Voices (voice)
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Steve Little
Peppermint Butler / Abracadaniel (voice) / Turtle Princess / Peppermint Butler / Gate Guardian / Additional Voices (voice)
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Glory Curda
Y5 (voice)
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Ashly Burch
Darling / Additional Voices (voice)
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Simone Giertz
CGO (voice)
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John Hodgman
Shafter (voice)
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Randall Park
Hugo (voice)
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Stephen Root
Mr. M / Bob / Additional Voices (voice)
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Michelle Wong
KS-2 (voice)
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Anthony Burch
Sweetie / Additional Voices (voice)
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Olivia Olson
Marceline the Vampire Queen / Additional Voices (voice)
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Michaela Dietz
Glassboy (voice)
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Audrey Bennett
Young Marceline (voice)
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Erica Luttrell
Elise / Additional Voices (voice)
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Charlotte Nicdao
See-Thru Princess / Ancient Glass Princess / Additional Voices (voice)
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Kevin Michael Richardson
Sir Soda / Smudge / Additional Voices (voice)
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Aryan Simhadri
Tiffany Oiler (voice)
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Chris Fleming
New Death / Additional Voices (voice)
- Tom Herpich Mr. Fox (voice)
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Kent Osborne
Joshua / Additional Voices (voice)
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Ron Perlman
The Lich (voice)
- Mace Montgomery Miskel Pep (voice)
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Chloe Coleman
Cadebra (voice)
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Bex Taylor-Klaus
Blaine / Additional Voices (voice)
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Bill Hader
Bufo (voice)
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Toks Olagundoye
Dr. Caledonius (voice)
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John Omohundro
Spader (voice)
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Julia Butters
Larry / Additional Voices (voice)
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Duncan Trussell
Ron James (voice)
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Patti Harrison
Weapon Head (voice)
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Dana Snyder
Potable Wizard / Life Giving Magus (voice)
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Anthony Stewart Head
Wizard Con (voice)
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Maurice LaMarche
Wizard Cop #1 / Skull (voice)
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SungWon Cho
Brain Wizard / Wizard Cop #2 / Additional Voices (voice)
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David Bradley
Old Finn (voice)
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Andy Daly
Wyatt (voice)
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Ron Lynch
Mr. Pig (voice)
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Isabelle Fuhrman
Shoko (voice)
- Corinne Kempa Life (voice)
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Jill Talley
Maja the Sky Witch (voice)
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Tom Scharpling
Jermaine / Three Eyed Bird / Additional Voices (voice)
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Edi Patterson
Momdebra / Cat Student (voice)
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Sheng Wang
Dimension Wizard (voice)
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Polly Lou Livingston
Tree Trucks (voice)
