How many movies have Fabio Massimo Dell'Orco and Roberto Malerba collaborated on?

They have worked on 4 movies together! Their first movie together was Vanille fraise (1989) while their highest rated movie together was Maledetto il giorno che t'ho incontrato (1992). They have not worked together since Cliffhanger (1993). They are most known for their comedy films together.