How many movies have Horst E. Brandt and Wilhelm Koch-Hooge collaborated on?

They have worked on 6 movies together! Their first movie together was Stronger Than the Night (1954) while their highest rated movie together was Ernst Thälmann – Leader of the Working Class (1955). They have not worked together since KLK Calling PTZ – The Red Orchestra (1971). They are most known for their drama films together.