How many movies have Donald Heitzer and Joe Viola collaborated on?

They have worked on 2 movies together! Their first movie together was Angels Hard as They Come (1971) and was their highest rated movie together. They have not worked together since Caged Heat (1974).

Crew
Production Coordinator
Role
Sports Car Driver
Role
Arresting Narc
Crew
Production Manager
Crew
Director
Crew
Screenplay