How many movies have Gianni Ferrio and Nando Angelini collaborated on?

They have worked on 10 movies together! Their first movie together was Guardatele ma non toccatele (1959) while their highest rated movie together was Toto, Fabrizi and the Young People Today (1960). They have not worked together since Summer Frenzy (1964). They are most known for their comedy films together.