Sam Lowry
Lee Patterson
Inspector O'Neill
Eddie Byrne
Louis Benz
Endre Muller
Nelly
Esma Cannon
Blake
George Woodbridge
Lord Tom Sopwith
Bill Shine
Drunken Woman
Marianne Stone
Dr. Urquhart
Garard Green
Margaret / Maggie
Dorinda Stevens
Onlooker at 2nd Murder Scene
John Barrett
Rowdy Woman in the Crowd
Patricia Phoenix
Beth
Jennifer White
Anne Ford
Betty McDowall
Sir David Rogers
Ewen Solon
Dr. Tranter
John Le Mesurier
Clarke
George Rose
Music Hall Manager / O'Reilly
Philip Leaver
Kitty Knowles
Barbara Burke
Helen Morris
Anne Sharp
Simes
Denis Shaw
Screenplay
Jimmy Sangster
Scenario Writer
Peter Hammond
Director
Robert S. Baker
Monty Berman