The Forbidden Room

Name: The Forbidden Room
Genre: Drama, Mystery, Horror
Released: 1977
Rating: 7.1
Cast: Vittorio Gassman, Catherine Deneuve, Anicée Alvina Anicée Alvina, Gino Cavalieri Gino Cavalieri, Ester Carloni

Bizarre events keep occurring in an old mansion in Venezia, and it's soon obvious that something mysterious is up in the attic.