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) Matt RollerWriter / Co-Producer John EddieWriter / Executive Producer Mark GanekWriter / Co-Producer Asha Michelle WilsonWriter Chris PrynoskiExecutive Producer Seranie A. ManoogianProducer Matthew McConaugheyElvis (voice) / Executive Producer Priscilla PresleyPriscilla Presley (voice) / Executive Producer John VarvatosConsulting Producer Corey SalterExecutive Producer Kevin NoelExecutive Producer Mike ArnoldExecutive Producer / Story Ben KalinaExecutive Producer Antonio CanobbioExecutive Producer Jerry SchillingConsulting Producer Shannon PrynoskiExecutive Producer Marc RosenExecutive Producer Jason HammonsScript Coordinator Jeff JackmanSound Effects Editor Tyler BatesOriginal Music Composer Jason FredericksonSound Effects Editor Todd ArakiSound Effects Editor Tim WilliamsOriginal Music Composer Mark Stephan KondrackiSupervising Dialogue Editor Kirk FurnissSound Effects Editor Marcel DuperreaultSound Re-Recording Mixer Andrew DowntonDialogue Editor Fletcher MoulesCo-Executive Producer Jennifer L. HughesProduction Manager Joey CeeCasting Associate Dan ChristmanLine Producer Julie AshtonCasting Director Robert ValleyCharacter Designer Andre M. BarnwellLead Character Designer Brandon WaltmanCompositing Supervisor Cameron SquiresStory Editor 
