Frank Mason

Tim Turner

Pat Lewis

Joan Rice

Blonde

Sandra Dorne

Ken Lade

Jimmy Gilbert

Sergeant

Charles Victor

Criminal

Cecil Brock

Rex the Dog

Inspector

John Le Mesurier

Mrs. Lewis

Nora Gordon

Johnny, a constable

Christopher Lee

Gentleman Walking His Dog (uncredited)

Ian Fleming

Norman Mitchell

Ken Lade

James Gilbert

Mickey Scott

Police Seargant at Break-in

Garard Green

Phyllis Morris

Clerk of Works

John Warren

Police Dispatcher (uncredited)

Arthur Howell

Police Dispatcher (uncredited)

Colin McKenzie

Police Dispatcher (uncredited)

Fred Nicholas