Penny Appleby

Susan Strasberg

Acting

Robert

Ronald Lewis

Acting

Jane Appleby

Ann Todd

Acting

Doctor Pierre Gerrard

Christopher Lee

Acting

Inspector Legrand

John Serret

Acting

Mr. Spratt

Leonard Sachs

Acting

Marie the Maid

Anne Blake

Acting

Mr. Appleby

Fred Johnson

Acting

Swiss Air Hostess (uncredited)

Madame Lobegue

Acting

Gendarme (uncredited)

Bernard Browne

Acting

Plainclothes Sergeant (uncredited)

Frederick Rawlings

Acting

Plainclothes Sergeant (uncredited)

Richard Klee

Acting

Plainclothes Officer (uncredited)

Brian Jackson

Acting

Plainclothes Officer (uncredited)

Heinz Bernard

Acting

Plainclothes Officer (uncredited)

Frederick Schrecker

Acting

Policeman (uncredited)

Gordon Sterne

Acting

Policeman (uncredited)

Rodney Burke

Acting