How many movies have Willi Neuenhahn and Wolfgang Arnst acted in together?

They have worked on 4 movies together! Their first movie together was Der Streit um den Sergeanten Grischa (1968) while their highest rated movie together was Addio, piccola mia (1979). They have not worked together since Chirurgus Johann Paul Schroth (1981). They are most known for their drama films together.