How many movies have Hubert von Meyerinck and Walter Janssen acted in together?

They have worked on 9 movies together! Their first movie together was The Flute Concert of Sans-souci (1930) while their highest rated movie together was The Blue Straw Hat (1949). They have not worked together since Wer bist Du, den ich liebe? (1950). They are most known for their comedy films together.