Malicious (1973)

A widower and two of his sons become infatuated by their beautiful housekeeper, and all three set out to seduce her using their own unique methods.

Directed by: Salvatore Samperi

Starring: Laura Antonelli, Turi Ferro, Alessandro Momo, Tina Aumont, Lilla Brignone, Pino Caruso

Links: IMDb, Movie posters, Movie stills