Marc Sheffler used to work as a stage actor for off-Broadway theater. His only film role is of the teenage Junior Stillo in the low-budget Last House on the Left (1972). Since then, Sheffler decided to pursue a career into television writing and production rather than acting. His credits include episodes of "Sister, Sister", "Harry and the Hendersons", "Who's the Boss", and "Charles in Charge" to name but a few.... see more