How many movies have Gerd Duwner and Gudrun Genest acted in together?

They have worked on 3 movies together! Their first movie together was Aktion Brieftaube - Schicksale im geteilten Berlin (1964) while their highest rated movie together was Mein Gott, Willi! (1980). They have not worked together since Die Spur der anderen (1985).