How many movies have Günter Sonnenberg and Kurt Kachlicki acted in together?

They have worked on 4 movies together! Their first movie together was The boss will come at 12 o'clock (1968) while their highest rated movie together was Junge Frau von 1914 (1970). They have not worked together since Ein Mann, der sterben muß (1972). They are most known for their drama films together.