How many movies have Heinrich Weidemann and Käthe Itter collaborated on?

They have worked on 4 movies together! Their first movie together was Die schöne Müllerin (1954) while their highest rated movie together was Unter Palmen am blauen Meer (1957). They have not worked together since Unter Palmen am blauen Meer (1957). They are most known for their drama films together.