How many movies have Aristide Caporale and Ruggero Mastroianni collaborated on?

They have worked on 6 movies together! Their first movie together was Made in Italy (1965) while their highest rated movie together was Investigation of a Citizen Above Suspicion (1970). They have not worked together since Bertoldo, Bertoldino, and Cacasenno (1984). They are most known for their comedy films together.