Finn the Human (voice)

Jake the Dog/Banana Guards/Additional Voices (voice)

Princess Bubblegum (voice)

Ice King/Simon Petrikov/Gunter/Ice Thing/King Man/Gumbal Guardian #1 (voice)

Marceline (voice)

BMO/Lady Rainicorn (voice)

Lumpy Space Princess/Shelby/Banana Guards (voice)

Gumbald/Punch Bowl (voice)

Fern/Grass Demon (voice)

Earl of Lemongrab (voice)