How many movies have Mario Amendola and Raf Luca collaborated on?

They have worked on 4 movies together! Their first movie together was 4 Crazy Draftees at the Army (1974) while their highest rated movie together was Il giustiziere di mezzogiorno (1975). They have not worked together since Messalina, Messalina! (1977). They are most known for their comedy films together.