Cast
Susan StrasbergPenny Appleby 
Ronald LewisRobert 
Ann ToddJane Appleby 
Christopher LeeDoctor Pierre Gerrard 
John SerretInspector Legrand 
Leonard SachsMr. Spratt 
Anne BlakeMarie the Maid 
Fred JohnsonMr. Appleby 
Madame LobegueSwiss Air Hostess (uncredited) - B
Bernard BrowneGendarme (uncredited) - F
Frederick RawlingsPlainclothes Sergeant (uncredited) - R
Richard KleePlainclothes Sergeant (uncredited) 
Brian JacksonPlainclothes Officer (uncredited) 
Heinz BernardPlainclothes Officer (uncredited) - F
Frederick SchreckerPlainclothes Officer (uncredited) 
Gordon SternePoliceman (uncredited)
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