How many movies have Frank Auerbach and Jan-Gregor Kremp acted in together?

They have worked on 5 movies together! Their first movie together was Reiff für die Insel - Neubeginn (2012) while their highest rated movie together was Reiff für die Insel - Katharina und der ganz große Fisch (2013). They have not worked together since Reiff für die Insel - Katharina und der große Schatz (2015). They are most known for their comedy films together.