How many movies have Gianna Pisanello and Greg Pitts collaborated on?

They have worked on 3 movies together! Their first movie together was American Ninja 3: Blood Hunt (1989) while their highest rated movie together was American Ninja 4: The Annihilation (1990). They have not worked together since American Ninja 4: The Annihilation (1990). They are most known for their action films together.