How many movies have Herman van Ulzen and Michael Herbig acted in together?

They have worked on 3 movies together! Their first movie together was Erkan & Stefan (2000) while their highest rated movie together was (T)Raumschiff Surprise - Periode 1 (2004). They have not worked together since (T)Raumschiff Surprise - Periode 1 (2004). They are most known for their comedy films together.