How many movies have Maurizio Bonuglia and Renzo Montagnani acted in together?

They have worked on 3 movies together! Their first movie together was Mazzabubù... quante corna stanno quaggiù? (1971) while their highest rated movie together was The Weapon, the Hour, the Motive (1972). They have not worked together since Intimate Relations (1975). They are most known for their comedy films together.