How many movies have Käthe Itter and Wilhelm Gernhardt collaborated on?

They have worked on 3 movies together! Their first movie together was Tausend Melodien (1956) while their highest rated movie together was Unter Palmen am blauen Meer (1957). They have not worked together since Unter Palmen am blauen Meer (1957). They are most known for their music films together.