How many movies have Christoph Grissemann and Dirk Stermann acted in together?

They have worked on 4 movies together! Their first movie together was Mah Jongg & Die Frisur des Paten (1996) while their highest rated movie together was Drei Eier im Glas (2015). They have not worked together since Drei Eier im Glas (2015). They are most known for their comedy films together.