Tom Kenny
voices Simon Petrikov
Kris Kollins
voices Marshall Lee
Donald Glover
voices Marshall Lee
Harvey Guillén
voices Gary Prince
Andrew Rannells
voices Gary Prince
Kayleigh Mckee
voices Scarab
Sean Rohani
voices Prismo
Pendleton Ward
voices Ellis P
Vico Ortiz
voices Hunter
Chelsea Peretti
voices Queenie
Hynden Walch
voices Princess Bubblegum
Jeremy Shada
voices Finn
Olivia Olson
voices Marceline
Madeleine Martin
voices Fionna Lookalike
Sean Rohani
voices Burger
Sean Rohani
voices Prismo 1
Sean Rohani
voices Prismo 2
Sean Rohani
voices Prismo 3
Tom Kenny
voices Marjoe Hellstrom
Kayleigh Mckee
voices Miss Rabow
Madeleine Martin
voices Pastry Fionna
Donald Glover
voices Monster Marshall
Kayleigh Mckee
voices Mini Scarabs
Kayleigh Mckee
voices Skater Z
Andrew Rannells
voices Monster Gary
Kayleigh Mckee
voices Ashley