How many movies have Gertraud Kreissig and Willi Neuenhahn acted in together?

They have worked on 4 movies together! Their first movie together was Rauhreif (1963) while their highest rated movie together was Moritz in der Litfaßsäule (1983). They have not worked together since Ach du meine Liebe (1984). They are most known for their drama films together.