Mark of Cain (movie)
- User score: 5
- Production country: Canada
- Producer: Bruce Pittman
- Production companies: Brightstar Films
- Genre: Horror, Drama, Crime, Thriller
- Release date: 9/24/1986
- Run time: 90 min.
Movie description
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.