How many movies have Erich Petraschk and Hilmar Baumann acted in together?

They have worked on 4 movies together! Their first movie together was Ich war in Honolulu – wetten? (1974) while their highest rated movie together was Über sieben Brücken mußt du gehn (1978). They have not worked together since Hochzeit in Weltzow (1979). They are most known for their drama films together.