How many movies have Annette Frier and Brigitte Nierhaus collaborated on?

They have worked on 3 movies together! Their first movie together was Die Schnüfflerin - Peggy kann's nicht lassen (2008) while their highest rated movie together was Nichts mehr wie vorher (2013). They have not worked together since Leben über Kreuz (2021). They are most known for their drama films together.