Cast and credits of Diamonds and Lemons (2018)

Jeremy Shada
Finn (voice)

John Di Maggio
Jake (voice)

Tom Kenny
Ice King / Gunter / Additional Voices (voice)

Olivia Olson
Marceline (voice)

Polly Lou Livingston
Treetrunks (voice)

Hynden Walch
Princess Bubblegum (voice)

Justin Roiland
Earl of Lemongrab (voice)

Pendleton Ward
Lumpy Space Princess (voice)

Ron Lynch
Mr. Pig / Additional Voices (voice)

Dana Snyder
Life-Giving Magus / Additional Voices (voice)