Aktorët

• Jeremy Shada — Cosmic Owl
• Hynden Walch — Princess Bonnibel "Bonnie" Bubblegum
• Olivia Olson — Marceline
• Niki Yang — BMO
• Tom Kenny — Starchy
• John DiMaggio — Jermaine
• Jessica DiCicco — Flame Princess
• Polly Lou Livingston — Tree Trunks
• Pendleton Ward — Lumpy Space Princess
• Tom Kenny — Starchy
• Tom Kenny — Starchy
• John DiMaggio — Jermaine
• John DiMaggio — Jermaine
• Jeremy Shada — Cosmic Owl
• Tom Kenny — Starchy
• Tom Kenny — Starchy
• Davy Johnson — Xergiok
• Niki Yang — BMO
• Rebecca Sugar — Elise
• 'Weird Al' Yankovic — Banana Man
• Lena Dunham — Betty Grof
• Steve Little — Turtle Princess
• Ron Perlman — The Lich
• Kent Osborne — Joshua
• Dee Bradley Baker — Cinnamon Bun
• Maria Bamford — Raggedy Princess
• Justin Roiland — Lemonnohope
• Stephen Root — Martin Mertens
• Maria Bamford — Raggedy Princess
• Maria Bamford — Raggedy Princess
• Grey DeLisle — Breakfast Princess
• Mariah Bamford — Wildberry Princess
• Steve Little — Turtle Princess
• Maria Bamford — Raggedy Princess
• Alia Shawkat — Charlie
• Kristen Schaal — Jake Jr.
• Marc Evan Jackson — Kim Kil Whan
• Dan Mintz — T.V.
• Jeff Bennett — Choose Goose
• Roz Ryan — Cake
• Paget Brewster — Viola
• Justin Roiland — Lemonnohope
• Kumail Nanjiani — Prismo
• Madeleine Martin — Fionna
• Jackie Buscarino — Susan Strong
• Lou Ferrigno — Billy
• Anne Heche — Cherry Cream Soda
• Tunde Adebimpe — Banana Guard
• Jack Pendarvis — Root Beer Guy
• Andy Daly — King of Ooo