Madeleine Martin

Fionna (voice)

20 Episodes

Roz Ryan

Cake (voice)

20 Episodes

Tom Kenny

Simon Petrikov / Ice King (voice)

10 Episodes

Dee Bradley Baker

Additional Voices (voice)

2 Episodes

Pendleton Ward

Ellis P / Norm (voice)

4 Episodes

Jeremy Shada

Baby Finn (voice)

2 Episodes

Kayleigh McKee

Scarab (voice)

6 Episodes

Ashly Burch

Huntress Wizard (voice)

10 Episodes

Hynden Walch

Princess Bubblegum (voice)

4 Episodes

Olivia Olson

Marceline (voice)

5 Episodes

Sean Rohani

Prismo (voice)

4 Episodes

Vico Ortiz

Hunter (voice)

5 Episodes

Maria Bamford

Additional Voices (voice)

1 Episodes

Harvey Guillén

Gary (voice)

8 Episodes

Kris Kollins

Marshall Lee (voice)

8 Episodes

Jinkx Monsoon

Lemoncarb #1 (voice)

3 Episodes

Donald Glover

Marshall Lee (voice)

5 Episodes

Andrew Rannells

Gary Prince (voice)

5 Episodes

Cree Summer

Lemoncarb #2 (voice)

2 Episodes

Andy Daly

Kheirosiphon / Popcop (voice)

1 Episodes

Manny Jacinto

DJ Flame (voice)

4 Episodes

Audrey Bennett

Astrid (voice)

2 Episodes

Chelsea Peretti

Queenie (voice)

4 Episodes

Erica Luttrell

Hana Abadeer (voice)

5 Episodes

Grey DeLisle

Simone (voice)

2 Episodes

Steve Little

Additional Voices (voice)

2 Episodes

Jeff Bennett

Evil Choose Goose (voice)

2 Episodes

Marc Maron

Squirrel (voice)

2 Episodes

Erica Mendez

Skater Fairies (voice)

1 Episodes

Niki Yang

BMO (voice)

2 Episodes

Matthew Broderick

Spirit Dream Warrior (voice)

4 Episodes

Cole Sanchez

Pary God / Pickle Reviewer #1 (voice)

1 Episodes

Will Pendarvis

DJ Slime (voice)

3 Episodes

Cristina Valenzuela

Additional Voices (voice)

1 Episodes

Felicia Day

Betty (voice)

3 Episodes

Phil LaMarr

Dog Cake / Nightmare Cake / Beard Guy (voice)

1 Episodes

Mickey Zacchilli

Little Destiny (voice)

1 Episodes

Kumail Nanjiani

Prismo (voice)

3 Episodes

Rosie Brand

Nova (voice)

1 Episodes

Anna Akana

Fennel / MG (voice)

2 Episodes

Kent Osborne

Damon (voice)

2 Episodes

John DiMaggio

Jake (voice)

2 Episodes

Sharon Horgan

Additional Voices (voice)

2 Episodes

Robbie Daymond

TV Announcer (voice)

1 Episodes

Melissa Villaseñor

Babette / Heckler #1 (voice)

1 Episodes

Ron Perlman

Lich (voice)

2 Episodes

Tiffany Wu

Additional Voices (voice)

1 Episodes

Dave McCormack

Orbo (voice)

2 Episodes

Sean Giambrone

Shermy (voice)

2 Episodes

Imani Hakim

Beth (voice)

2 Episodes

James Kyson

Big Destiny / Handbag Helmet (voice)

1 Episodes

Eric Bauza

Peanut / Tromo / Tire Seller (voice)

1 Episodes

Mace Montgomery Miskel

Pep (voice)

2 Episodes

Billy Brown

Vampire King / Clock Archer (voice)

1 Episodes

Frank Collison

Cosmic Owl (voice)

1 Episodes

Andy Merrill

Blade Wizard / Banana Guard #3 (voice)

1 Episodes

Rumi C. Jean-Louis

Young Marshall Lee (voice)

2 Episodes

Open Mike Eagle

Marshmallow Kid (voice)

2 Episodes

Elle Newlands

Beatrice Buttler / Van Driver (voice)

1 Episodes

Dan Mintz

TV (voice)

1 Episodes

Jack Pendarvis

Dirt Beer Guy (voice)

1 Episodes

Jim Cummings

Additional Voices (voice)

1 Episodes

Brian David Gilbert

Winter King / Singing Banana Guard (voice)

1 Episodes

Jenny Slate

Huntress (voice)

1 Episodes

Stephen Root

Martin Mertens (voice)

1 Episodes

Iggy Craig

Casper (voice)

1 Episodes

Nia Castro

Bonnie (voice)

1 Episodes

Colleen Smith

Frankie / Lady Cutter (voice)

1 Episodes

Crispin Freeman

Turbo Allen (voice)

1 Episodes

Patti Harrison

Witch Wizard (voice)

1 Episodes

Jessica DiCicco

Flame Princess (voice)

1 Episodes

Joe Pera

Gordie (voice)

1 Episodes

Thurop Van Orman

Wishy / Spider (voice)

1 Episodes

Kerri Kenney

Old Lady Princess / MS. Cupcake / Lips Monster (voice)

1 Episodes

Kari Wahlgren

Queen of Venus / Embolina (voice)

1 Episodes

Gaby Moreno

Venus Cantrix (voice)

1 Episodes

Aleks Sennwald

Venus Cosmic / Venusian #3 (voice)

1 Episodes