How many movies have Angela Brunner and Erich Gusko collaborated on?

They have worked on 5 movies together! Their first movie together was What Would Happen If...? (1960) while their highest rated movie together was Junge Frau von 1914 (1970). They have not worked together since Ich, Thomas Müntzer, Sichel Gottes (1989). They are most known for their drama films together.