How many movies have Heinrich Weidemann and Willi Herrmann collaborated on?

They have worked on 17 movies together! Their first movie together was At the well in front of the gate (1952) while their highest rated movie together was Der Fremdenführer von Lissabon (1956). They have not worked together since Gruß und Kuss vom Tegernsee (1957). They are most known for their drama films together.