Mark of Cain

A couple live in an old, isolated mansion. The husband's murderous, insane twin escapes from a lunatic asylum. The cops haul off the wrong twin and the wife is stuck with the killer.

• Director: Bruce Pittman
• Cast: Robin Ward, Wendy Crewson, Antony Parr, August Schellenberg, Deborah Grover, Cynthia Kereluk, Kate Parr, Gert Peckert