How many movies have Ulla Mahrt and Werner Riepel acted in together?

They have worked on 4 movies together! Their first movie together was Ohnsorg Theater - Gastwirt Goebel (1966) while their highest rated movie together was Otto und die nackte Welle (1968). They have not worked together since Ohnsorg Theater - Frau Pieper lebt gefährlich (1975). They are most known for their comedy films together.