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.

Top Cast

Robin WardSean O'Brien / Michael O'Brien

Wendy CrewsonDale

Antony ParrDr. Clifford

August SchellenbergOtto

Deborah GroverMolly

Cynthia KerelukNurse

Kate ParrGirl

Gert PeckertDoctor