Richard Basehart
— Joe Blake
Simone Simon
— Michele Blanchard
Josephine Griffin
— Toni Howard
Laurence Naismith
— Kurt Vorn
Sidney James
— Barney West
George Baker
— Steven Marlow
Beryl Reid
— Beryl
Shani Wallis
— Shirley
Dennis Lotis
— Ronnie Baker
Philip Ray
— Mr. Bliss
Olga Lindo
— Mrs. Bliss
Jill Bennett
— Susan
John Humphrey
— Guy
Joan Hickson
— Mrs. West
David Hannaford
— Buster West
Colin Gordon
— Sir George
Bryan Forbes
— Harry
Charles Victor
— Bert
Patrick Cargill
— Cashier
Frank Williams
— Sid
Glenda Jackson
— Extra (uncredited)