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