Pendleton Ward Creator Jeremy Shada Finn Voice John DiMaggio Jake Voice Hynden Walch Princess Bubblegum Voice Tom Kenny The Ice King Voice Riki Lindhome Island Lady Guest Voice Cole Sanchez Party God Guest Voice, Writer Niki Yang BMO Guest Voice Emo Philips Cuber Guest Voice Kristen Schaal Jake Jr. Guest Voice Justin Roiland Earl of Lemongrab, Lemongrab 2 Guest Voice Dee Bradley Baker Cinnamon Bun Guest Voice Tom Herpich Mr. Fox Guest Voice, Writer Fred Seibert Executive Producer Kelly Crews Producer Kent Osborne Writer Steve Wolfhard Writer