How many movies have Mario Mancini and Renato Romano collaborated on?

They have worked on 3 movies together! Their first movie together was Shotgun (1968) and was their highest rated movie together. They have not worked together since Frankenstein '80 (1972). They are most known for their horror films together.

Crew
Screenplay
Role
Insp. Schneider
Crew
Director
Crew
Director of Photography
Role
Fred Mulligan