How many movies have Siegfried Seibt and Willi Neuenhahn acted in together?

They have worked on 3 movies together! Their first movie together was Der Streit um den Sergeanten Grischa (1968) while their highest rated movie together was Der Meisterdieb (1979). They have not worked together since Oben geblieben ist noch keiner (1980). They are most known for their drama films together.