Beyond The Door (Film Ventures International (FVI) - 1974)

Originally released in Italy as Chi sei - Jessica Barrett lives a peaceful life in San Francisco. With two kids, a record exec husband and a baby on the way, life is pretty full. When Jessica finds out that her new baby belongs to the prince of darkness, she becomes a demonically possessed beast. Her ex-boyfriend, Dimitri, a Satan worshipper must sacrifice her child in order to renew his own twisted existence.

Directed by Ovidio G. Assonitis & Robert Barrett
Starring Juliet Mills, Gabriele Lavia, Richard Johnson, Nino Segurini, and Elizabeth Turner.
Rated R.