How many movies have Gyula Trebitsch and Ákos Ráthonyi collaborated on?

They have worked on 5 movies together! Their first movie together was Kätchen für alles (1949) while their highest rated movie together was Geliebte Hochstaplerin (1961). They have not worked together since Geliebte Hochstaplerin (1961). They are most known for their comedy films together.