How many movies have Mary Kane and Stephen Singer collaborated on?

They have worked on 2 movies together! Their first movie together was The Driller Killer (1979) while their highest rated movie together was Ms .45 (1981). They have not worked together since Ms .45 (1981).

Crew
Associate Producer
Role
Photographer
Crew
Production Manager
Crew
Production Manager
Role
Street Corner Derelict