How many movies have Hasso Preiß and Roswitha Geuther acted in together?

They have worked on 3 movies together! Their first movie together was Auf ins blaukarierte Himmelbett (1974) while their highest rated movie together was The Evolution of Snuff (1978). They have not worked together since The Evolution of Snuff (1978). They are most known for their comedy films together.