How many movies have Katrin Haase and Norbert Walter collaborated on?

They have worked on 7 movies together! Their first movie together was Nein, Aus, Pfui! Ein Baby an der Leine (2012) while their highest rated movie together was Das Mädchen von früher (2023). They have not worked together since Das Mädchen von früher (2023). They are most known for their comedy films together.