Mark of Cain

Overview

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.

Cast

Robin Ward

Sean O'Brien / Michael O'Brien

Wendy Crewson

Dale

A

Antony Parr

Dr. Clifford

August Schellenberg

Otto

Deborah Grover

Molly