How many movies have Fritz Umgelter and Günter Mack collaborated on?

They have worked on 9 movies together! Their first movie together was Nur einer wird leben (1966) while their highest rated movie together was Das Klavier (1972). They have not worked together since Die Babenberger in Österreich (1976). They are most known for their drama films together.

Crew
Director
Role
Dr. Wetheril / Goodbrook