George SandersRobert Fleming Lucille BallSandra Carpenter Charles CoburnHarley Temple Boris KarloffCharles van Druten Cedric HardwickeJulian Wilde Joseph CalleiaNicholas Moryani Robert CooteDetective Wilson Alan NapierDetective Gordon Tanis ChandlerLucy Barnard Jimmy AubreyNelson (uncredited) Jack ChefePierre (uncredited) Charles ColemanSir Charles (uncredited) Alex FrazerProfessor Harkness (uncredited) Gerald HamerHarry Milton (uncredited) Eddie ParksOswald Pickering (uncredited) Dorothy VaughanMrs. Miller (uncredited) Stuart HallCharles (uncredited) Herbert EvansFleming's Butler (uncredited) Sam HarrisOld Man at Concert Asking for Whiskey (uncredited) Isabel La MalDowager Shushing Fleming at Concert (uncredited) Marjorie HoshelleRobert's Rejected Girlfriend (uncredited) Charles FergusonMan in Dance Hall (uncredited) Ethan LaidlawMan in Dance Hall (uncredited) Mike LallyMike (uncredited) Ethelreda LeopoldBlonde Nightclub Singer (uncredited) Annette WarrenBlonde Nightclub Singer (uncredited) Mary Jane FrenchNightclub Patron (uncredited) Shep HoughtonNightclub Patron (uncredited) Sol MurgiNightclub Patron (uncredited) Wilson BengePolice Criminologist (uncredited) Jack DeeryPolice Officer (uncredited) John RicePolice Officer (uncredited) Brooks BenedictConcertgoer (uncredited) Carl M. LevinessConcertgoer (uncredited) James ConatyConcertgoer (uncredited) Robert HainesConcertgoer (uncredited) Wilbur MackConcertgoer (uncredited) Herschel GrahamConcertgoer (uncredited) Rudy GermaneConcertgoer (uncredited) Frank McLureConcertgoer (uncredited) Jeffrey SayreConcertgoer (uncredited) Sayre DearingConcertgoer in Lobby (uncredited) Harold MillerConcertgoer in Lobby (uncredited) Cyril DelevantiMedical Examiner (uncredited) Wyndham StandingAssistant Medical Examiner (uncredited) Eric WiltonTicket Booth Clerk (uncredited) Florence WixBlue Eyes (uncredited) Marion GrayConcertgoer (uncredited) Joe GilbertConcertgoer (uncredited) Henry S. KeslerAssociate Producer Hunt StrombergExecutive Producer Nicolai RemisoffProduction Design William H. DanielsDirector Of Photography Elois JenssenCostume Design Josephine SweeneyHairstylist Clarence EuristAssistant Director Michel MicheletOriginal Music Composer David ChudnowMusic Supervisor 
