How many movies have Gianni Ferrio and Titi Efrade collaborated on?

They have worked on 3 movies together! Their first movie together was Sua Eccellenza si fermò a mangiare (1961) while their highest rated movie together was Totòtruffa '62 (1961). They have not worked together since Appuntamento in Riviera (1962). They are most known for their comedy films together.