How many movies have Oliver Hassencamp and Rolf A. Wilhelm collaborated on?

They have worked on 3 movies together! Their first movie together was Lausbubengeschichten (1964) while their highest rated movie together was Tante Frieda - Neue Lausbubengeschichten (1965). They have not worked together since Zur Hölle mit den Paukern (1968). They are most known for their comedy films together.