Fionna (voice)
Cake (voice)
Simon Petrikov / Ice King (voice) / Simon Petrikov (voice)
Additional Voices (voice) / Frasier / Snail / Yellowsweets (voice)
Finn (voice) / Babyworld Finn (voice)
Ellis P / Norm (voice) / Ellis P / Old Man Cake / Nerdy Alien (voice)
Princess Bubblegum (voice) / Princess Bubblegum / Passing Child (voice)
Scarab (voice) / Scarab / Ashley (voice)
Huntress Wizard (voice)
Gary (voice)
Hunter (voice) / Hunter / Fern (voice)
Prismo (voice) / Prismo (1, 2, 3) (voice)
Gertie (voice) / Additional Voices (voice)
Marceline (voice) / Marceline / Celine (voice)
Marshall Lee (voice)
Lemoncarb #1 (voice) / Additional Voices (voice)
DJ Flame (voice) / DJ Flame / Flame Prince (voice)
Astrid (voice) / Astrid / Bus Kid (voice)
Marshall Lee (voice) / Marshall Lee / Monster Marshall (voice)
Gary Prince (voice) / Gary Prince / Monster Gary (voice)
Queenie (voice) / Frozen Turkey (voice)
Hana Abadeer (voice)
BMO (voice) / Additional Voices (voice)
Lemoncarb #2 (voice) / Additional Voices (voice)
