How many movies have Frank Diamanti and Victor Salva collaborated on?

They have worked on 1 movie together! Their first movie together was Clownhouse (1989) and was their highest rated movie together. They have not worked together since Clownhouse (1989).

Role
Real Bippo
Role
Radio Newscaster / Extra at Carnival (uncredited)
Crew
Writer
Crew
Producer
Crew
Director