How many movies have Elma Karlowa and Horst Naumann acted in together?

They have worked on 4 movies together! Their first movie together was Do Not Send Your Wife to Italy (1960) while their highest rated movie together was Am Sonntag will mein Süßer mit mir segeln gehn (1961). They have not worked together since Apartmentzauber (1963). They are most known for their music films together.