Madeleine Martin
Fionna Campbell (voice)
Roz Ryan
Cake (voice)
Tom Kenny
Simon Petrikov / Ice King (voice)
Dee Bradley Baker
Additional Voices (voice)
Kayleigh McKee
Scarab (voice)
Sean Rohani
Prismo (voice)
Donald Glover
Marshall Lee (voice)
Andrew Rannells
Gary Prince (voice)
Jeremy Shada
Farmworld Finn / Ice Finn (voice)
Pendleton Ward
Ellis P (voice)
Jinkx Monsoon
Additional Voices (voice)
Audrey Bennett
Astrid (voice)
Maria Bamford
Starchy (voice)
Jeff Bennett
Evil Choose Goose (voice)
Erica Mendez
Ice Scout #1 (voice)
Cristina Valenzuela
Ice Scout #2 (voice)
Cree Summer
Additional Voices (voice)
Felicia Day
Betty (voice)
Hynden Walch
Princess Bubblegum / Child Wizard / Tourist #3 (voice)
Phil LaMarr
Dog Cake / Nightmare Cake / Beard Guy (voice)
Vico Ortiz
Hunter / Fern (voice)
Chelsea Peretti
Queenie (voice)
Olivia Olson
Marceline (voice)
John DiMaggio
Jake (voice)
Sharon Horgan
Additional Voices (voice)
Niki Yang
BMO / Library Person (voice)
Robbie Daymond
TV Announcer (voice)
Grey DeLisle
Ice Cream Queen / Rink Attendant (voice)
Marc Maron
Squirrel (voice)
Andy Daly
Kheirosiphon / Popcop (voice)
Melissa Villaseñor
Babette / Heckler #1 (voice)
Steve Little
Additional Voices (voice)
Ron Perlman
Lich (voice)
Sean Giambrone
Shermy (voice)
Imani Hakim
Beth (voice)
Elle Newlands
Beatrice Buttler / Van Driver (voice)
Dan Mintz
TV (voice)
Jim Cummings
Additional Voices (voice)
Eric Bauza
Peanut / Tromo / Tire Seller (voice)
James Kyson
Big Destiny / Handbag Helmet (voice)
