How many movies have Marc Felperlaan and Wim Verstappen collaborated on?

They have worked on 5 movies together! Their first movie together was My Nights with Susan, Sandra, Olga & Julie (1975) while their highest rated movie together was The Forbidden Bacchanal (1981). They have not worked together since The Forbidden Bacchanal (1981). They are most known for their drama films together.