How many movies have Francesco Anniballi and Umberto Innocenzi collaborated on?

They have worked on 5 movies together! Their first movie together was The Cynic, the Rat & the Fist (1977) while their highest rated movie together was The Nosy One (1981). They have not worked together since Uno contro l'altro, praticamente amici (1981). They are most known for their comedy films together.