How many movies have Mirella Gamacchio and Piero Filippone collaborated on?

They have worked on 3 movies together! Their first movie together was Call 22-22 Lieutenant Sheridan (1960) while their highest rated movie together was L'onorata società (1961). They have not worked together since 5 marines per 100 ragazze (1961). They are most known for their crime films together.