How many movies have Marie Gruber and Sigi Rothemund collaborated on?

They have worked on 5 movies together! Their first movie together was Engel der Gerechtigkeit - Brüder fürs Leben (2012) while their highest rated movie together was Katie Fforde: Mein Wunschkind (2015). They have not worked together since Katie Fforde: Mein Wunschkind (2015). They are most known for their drama films together.