How many movies have Günther Rittau and Luise Dreyer-Sachsenberg collaborated on?

They have worked on 3 movies together! Their first movie together was Das Kreuz am Jägersteig (1954) while their highest rated movie together was Die fidelen Detektive (1957). They have not worked together since Die fidelen Detektive (1957). They are most known for their drama films together.