How many movies have Elisabetta De Leonardis and Giancarlo De Leonardis collaborated on?

They have worked on 5 movies together! Their first movie together was This and That (1983) while their highest rated movie together was Nothing Left to Do But Cry (1984). They have not worked together since Dominion: Prequel to The Exorcist (2005). They are most known for their comedy films together.