Adventure Time • Season 9 Cast & Crew
Jeremy ShadaFinn the Human (voice) John DiMaggioJake the Dog (voice) Tom KennyIce King (voice) Hynden WalchPrincess Bubblegum (voice) Olivia OlsonMarceline the Vampire Queen (voice) Niki YangBMO / Lady Rainicorn (voice) Pendleton WardLumpy Space Princess (voice) / Writer / Theme Song Performance Polly Lou LivingstonTree Trunks (voice) Pendleton WardLumpy Space Princess (voice) / Writer / Theme Song Performance Thurop Van OrmanSupervising Producer 
