How many movies have Gerti Gordon and Mario del Marius acted in together?

They have worked on 3 movies together! Their first movie together was Orientalische Nächte (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.