Kadro (33)
Kay KyserHimself
Peter LorreProfessor Karl Fenninger
Boris KarloffJudge Spencer Mainwaring
Bela LugosiPrince Saliano
Helen ParrishJanis Bellacrest
Dennis O'KeefeChuck Deems
Alma KrugerAunt Margo BellacrestJoseph EggentonJurgen
Ginny SimmsHerself
Harry BabbittHimself
M.A. BogueIsh Kabibble
Sully MasonHimself
Mary BovardMary (uncredited)
Jeff CoreyMr. Corey (uncredited)
Louise CurrieMarion (uncredited)
Bess FlowersLady In Taxi (uncredited)Jeanne HouserJean (uncredited)Richard KiplingScript Man (uncredited)Eleanor LawsonMs. Gaby Lawson (uncredited)Larry McGrathApartment Complainer (uncredited)
Frank MillsCabbie (uncredited)Mimi MontayeMimi (uncredited)
Dorothy MoorePenny (uncredited)
Leonard MudieReal Karl Fenninger (uncredited)Joseph NorthServant (uncredited)
Frank O'ConnorApartment Responder (uncredited)Beulah ParkingtonMother (uncredited)Jane PattenJane (uncredited)Eugenia RafeeFrench Maid (uncredited)William TelaakMac (uncredited)Joan WarnerJoan (uncredited)Guy WebsterInfant (uncredited)Mary Martha WoodGeorgia (uncredited)