Matthew McConaugheyElvis (voice) / Executive Producer Kaitlin OlsonCeCe Ryder (voice) Johnny KnoxvilleBobby Ray (voice) Don CheadleThe Commander (voice) Jason MantzoukasHoward Hughes (voice) Priscilla PresleyPriscilla Presley (voice) / Executive Producer Ed HelmsRobert Goulet (voice) Chris ElliottTimothy Leary (voice) Christina HendricksRoxanne Ryder (voice) Fred ArmisenCharles Manson (voice) Baz LuhrmannThe Director (voice) Gary ColePresident Nixon (voice) George ClintonGeorge Clinton (voice) Simon PeggPaul McCartney (voice) Craig RobinsonJackie (voice) Kieran CulkinGabriel Wolf (voice) Mike ArnoldScenariusz / Executive Producer Matt RollerScenariusz / Co-Producer John EddieScenariusz / Executive Producer Mark GanekScenariusz / Co-Producer Asha Michelle WilsonScenariusz Kevin NoelExecutive Producer Shannon PrynoskiExecutive Producer Jerry SchillingConsulting Producer Chris PrynoskiExecutive Producer Seranie A. ManoogianProducer Matthew McConaugheyElvis (voice) / Executive Producer Priscilla PresleyPriscilla Presley (voice) / Executive Producer Corey SalterExecutive Producer Antonio CanobbioExecutive Producer Ben KalinaExecutive Producer John VarvatosConsulting Producer Marc RosenExecutive Producer Jason HammonsScript Coordinator Mark Stephan KondrackiSupervising Dialogue Editor Jeff JackmanSound Effects Editor Tim WilliamsOriginal Music Composer Kirk FurnissSound Effects Editor Todd ArakiSound Effects Editor Jason FredericksonSound Effects Editor Andrew DowntonDialogue Editor Tyler BatesOriginal Music Composer Marcel DuperreaultSound Re-Recording Mixer Fletcher MoulesCo-Executive Producer Joey CeeCasting Associate Dan ChristmanLine Producer Jennifer L. HughesProduction Manager Robert ValleyCharacter Designer Andre M. BarnwellLead Character Designer Brandon WaltmanCompositing Supervisor Cameron SquiresStory Editor 
