Actors: George Hilton,Edwige Fenech,Conchita Airoldi,Manuel Gil,Carlo Alighiero,Ivan Rassimov,Alberto de Mendoza,Bruno Corazzari,Marella Corbi,Miguel del Castillo,Luis de Tejada,Brizio Montinaro,Pouchi,Mira Vidotto
Genre: Year: 1971
Imdb: click here " A bit of an essential Giallo entry, Martino's first thriller, although I personally prefer his fourth giallo YOUR VICE IS A LOCKED ROOM AND ONLY I HAVE THE KEY (1972), also starring Edwige Fenech, which has the pleasant setting of a country-estate and is even more lurid, over-the-top and slightly less predictable than this one"