How many movies have Herbert Knaup and Klaus Zmorek acted in together?

They have worked on 2 movies together! Their first movie together was Pilgerfahrt nach Padua (2011) while their highest rated movie together was Milchgeld. Ein Kluftingerkrimi (2012). They have not worked together since Milchgeld. Ein Kluftingerkrimi (2012).