How many movies have Ettore Scola and Roberto De Simone collaborated on?

They have worked on 2 movies together! Their first movie together was The Devil in Love (1966) while their highest rated movie together was Will Our Heroes Be Able to Find Their Friend Who Has Mysteriously Disappeared in Africa? (1968). They have not worked together since Will Our Heroes Be Able to Find Their Friend Who Has Mysteriously Disappeared in Africa? (1968).