Paranoia (1970)

A race-car driver who's down on her luck is invited by her ex-husband's wife to stay at their plush villa. The two women form a bond, and it's not long before their mutual dislike for the husband culminates into a plan to kill him. As it turns out, though, they're not alone in plotting murder

Directed by: Umberto Lenzi

Starring: Carroll Baker, Jean Sorel, Alberto Dalbés, Anna Proclemer, Luis Dávila, Marina Coffa

Links: IMDb, Movie posters, Movie stills