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.

• Bruce PittmanDirector
• Peter ColleyWriter
• John SheppardWriter
• Bruce LeyOriginal Music Composer

• Robin WardSean O'Brien / Michael O'Brien
• Wendy CrewsonDale
• Antony ParrDr. Clifford
• August SchellenbergOtto
• Deborah GroverMolly
• Cynthia KerelukNurse
• Kate ParrGirl
• Gert PeckertDoctor
• Douglas RichardsonVictim