How many movies have Rainer Ewerrien and Rolf Silber collaborated on?

They have worked on 4 movies together! Their first movie together was Für meine Kinder tu' ich alles (2009) while their highest rated movie together was Alles Verbrecher - Leiche im Keller (2015). They have not worked together since Weihnachtstöchter (2020). They are most known for their comedy films together.