Douglas SirkDirector
George SandersRobert Fleming
Lucille BallSandra Carpenter
Charles CoburnInspector Harley Temple
Alan MowbrayLyle Maxwell
Cedric HardwickeJulian Wilde
George ZuccoOfficer H. R. Barrett
Joseph CalleiaDr. Nicholas Moryani
Tanis ChandlerLucy Barnard
Boris KarloffCharles van Druten
Alan NapierDetective Gordon
Robert CooteOfficer Barret
Jimmy AubreyNelson (uncredited)
Dorothy VaughanMrs. Miller (uncredited)
Charles ColemanSir Charles (uncredited)
Sam HarrisOld Man at Concert Asking for Whiskey (uncredited)
Ethelreda LeopoldBlonde Nightclub Singer (uncredited)