Full Cast — Adventure Time (2010–2018)

Jeremy Shada

Finn the Human (voice)

John DiMaggio

Jake the Dog (voice)

Tom Kenny

Ice King (voice)

Hynden Walch

Princess Bubblegum (voice)

Olivia Olson

Marceline the Vampire Queen (voice)

Niki Yang

BMO / Lady Rainicorn (voice)

Pendleton Ward

Lumpy Space Princess (voice)

Polly Lou Livingston

Tree Trunks (voice)

Ava Acres

Young Marceline (voice) / Young Marceline / Bunny Girl (voice) / Young Marcy (voice) / Candy Kids (voice) / Candy Girl (voice) / Jamaica (voice) / Sunshine / Jamaica (voice)

Justin Roiland

Earl of Lemongrab (voice) / Lemongrab 2 (voice) / Lemonpink (voice) / Gummy Fish (voice) / Lemonpink (voice) / Earl of Lemongrab (voice) / Starfish Martian (voice) / Earl of Lemongrab (voice)

Kumail Nanjiani

Prismo (voice)

Emo Philips

Cuber (voice)

Ashly Burch

Cheryl / Celina / Super Porp Mutant (voice) / Blacksmith / Scorpion (voice) / Celina / Cheryl (voice) / Breezy (voice)

Madeleine Martin

Fionna (voice)

Roz Ryan

Cake (voice)

Kristen Schaal

Jake Jr (voice)

Dan Mintz

Tv (voice)

Isabella Acres

Young Princess Bubblegum (voice)

'Weird Al' Yankovic

Banana Man (voice)

Andy Milonakis

Neptr (voice)

Andy Samberg

Party Splat (voice) / Party Pat / Rap Bear (voice) / Party Pat (voice)

Neil Patrick Harris

Prince Gumball (voice)

Mark Hamill

Dark Magician (voice)

M. Emmet Walsh

Cosmic Owl (voice)

Kevin Michael Richardson

Donny (voice) / Additional Voices (voice) / The Storm (voice)

Lou Ferrigno

Billy (voice)

Kent Osborne

Bounce House Princess (voice) / Additional Voices (voice)

Henry Rollins

Cookie (voice) / Bob Rainicorn (voice)

Steve Little

Abracadaniel (voice) / Zombie Candy Heart / Peppermint Butler / Gumball Guardian #2 (voice)

Lauren Lapkus

Patience St. Pim (voice)

Kyla Kowalewski

Me-Mow (voice)

James Urbaniak

Vice President Blowfish (voice) / Rat King / Leaf Beard (voice)

George Takei

Ricardio (voice)

Thurop Van Orman

Tree Witch (voice) / Kent (voice)

Donald Glover

Marshall Lee (voice)

Grey DeLisle

Ice Queen (voice)

Ako Castuera

Canyon (voice)

Laura Silverman

Ethel Rainicorn (voice)

John Hodgman

Elder Plops (voice) / DJ Plop Drops (voice)

Kate Micucci

Wendy (voice) / Chips (voice)

Riki Lindhome

Island Lady (voice) / Ice Cream (voice)

Sharon Horgan

Minerva (voice)

Jenny Slate

Huntress Wizard (voice)

Jackie Buscarino

Eclair Boy (voice) / Susan Strong / Kara / Additional Voices (voice)

Felicia Day

Betty (voice)

Keith David

Flame King (voice) / Balthus (voice)

Dee Bradley Baker

Additional Voices (voice) / Mr. Cream Puff / Mr. Cupcake / Chet (voice)

Maurice LaMarche

Grand Master Wizard (voice) / Wizard Police (voice)

Alan Tudyk

Chatsberry (voice)

Cole Sanchez

Additional Voices (voice) / Party God (voice)

Livvy Stubenrauch

Bonnibel (voice) / Young Kara (voice)