On screen
Cast
16 credited performers
John DiMaggio
Jake (voice)
Sasha Knight
Finn (voice)
Tom Kenny
Ice King (voice)
Hynden Walch
Princess Bubblegum (voice)
Olivia Olson
Marceline (voice)
Niki Yang
BMO (voice)
Dee Bradley Baker
Bellamy Bartholomew Bug (voice)
Maria Bamford
Granny Odlay / Shirley / Boiling Man (voice)
Trevor Devall
Spokesbug (voice)
Amy Yasbeck
Lady Penelope Bugsworth (voice)
Patrick Seitz
Elody Drakord (voice)
Paloma Moreno
Rescue Princess (voice)
Jeff Bennett
Choose Goose / Grandobar (voice)
Artwork unavailable
Aziah Pesaleli
Boyish Boy (voice)
Artwork unavailable
Cole Sanchez
Dog Squire / Maurader # (voice)
Fred Tatasciore
Mannish Man / Marauder (voice)