How many movies have Armando Trovajoli and Francesco Malvestito collaborated on?

They have worked on 5 movies together! Their first movie together was Will Our Heroes Be Able to Find Their Friend Who Has Mysteriously Disappeared in Africa? (1968) while their highest rated movie together was The Family (1987). They have not worked together since The Voyage of Captain Fracassa (1990). They are most known for their comedy films together.