The Beast Within (1982)

A young woman gets raped by a mysterious man-creature, and years later her son begins a horrific transformation into a similar beast.

Director: Philippe Mora

Cast: Ronny Cox, Bibi Besch, Paul Clemens, Don Gordon, R.G. Armstrong, Katherine Moffat, L.Q. Jones, Logan Ramsey, John Dennis Johnston, Ron Soble, Luke Askew, Meshach Taylor, Boyce Holleman, Natalie Nolan Howard, Malcolm McMillin, Fred D. Meyer