Robert Florey Director Robert Alda Bruce Conrad Actor Andrea King Julie Holden Actor Peter Lorre Hilary Cummins Actor Victor Francen Francis Ingram Actor J. Carrol Naish Commissario Ovidio Castanio Actor Charles Dingle Raymond Arlington Actor John Alvin Donald Arlington Actor David Hoffman Duprex Actor Patricia Barry Clara Actor Barbara Brown Mrs. Miller Actor William Edmunds Antonio Actor Belle Mitchell Giovanna Actor Pedro de Cordoba Horatio Actor Ray Walker Mr. Miller Actor William Fryer Harvey Writer Curt Siodmak Writer William Jacobs Producer Jack L. Warner Executive Producer Max Steiner Original Music Wesley Anderson Cinematographer Frank Magee Film Editing