How many movies have Gerhard Bienert and Kurt Jung-Alsen collaborated on?

They have worked on 7 movies together! Their first movie together was Polonia-Express (1957) while their highest rated movie together was Die Bilder des Zeugen Schattmann (1972). They have not worked together since Das Geheimnis des Ödipus (1974). They are most known for their drama films together.