How many movies have Silvio Fraschetti and Ugo Menegatti collaborated on?

They have worked on 5 movies together! Their first movie together was Naples... Serenade Caliber 9 (1978) while their highest rated movie together was One Hundred Days in Palermo (1984). They have not worked together since Popcorn e patatine (1985). They are most known for their crime films together.