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Top Cast
Susan Strasberg
Penny Appleby
Ronald Lewis
Robert
Ann Todd
Jane Appleby
Christopher Lee
Doctor Pierre Gerrard
John Serret
Inspector Legrand
Leonard Sachs
Mr. Spratt
Anne Blake
Marie the Maid
Fred Johnson
Father
Madame Lobegue
Swiss Air Hostess (uncredited)
Bernard Browne
Gendarme (uncredited)
Frederick Rawlings
Plainclothes Sergeant (uncredited)
Richard Klee
Plainclothes Sergeant (uncredited)
Brian Jackson
Plainclothes Officer (uncredited)
Heinz Bernard
Plainclothes Officer (uncredited)
Frederick Schrecker
Plainclothes Officer (uncredited)
Gordon Sterne
Policeman (uncredited)
Rodney Burke
Policeman (uncredited)