How many movies have Herma Koehn and Oskar Ketelhut acted in together?

They have worked on 7 movies together! Their first movie together was Ohnsorg Theater - Allens in’n Griff (1992) and was their highest rated movie together. They have not worked together since Ohnsorg Theater - Der schönste Tag im Jahr (2015). They are most known for their comedy films together.