How many movies have Gary R. Heacock and Roger Gentry collaborated on?

They have worked on 2 movies together! Their first movie together was The Wizard of Mars (1965) while their highest rated movie together was Gallery of Horror (1967). They have not worked together since Gallery of Horror (1967).

Crew
Screenplay
Role
Bob Farrell / Mob Leader / Dr. Sevard / Jonathan Harker
Crew
Associate Producer