How many movies have Gertrud Hinz-Nischwitz and Werner Bochmann collaborated on?

They have worked on 3 movies together! Their first movie together was Das Geheimnis der roten Katze (1949) while their highest rated movie together was Ich mach Dich glücklich (1949). They have not worked together since Der Fischer vom Heiligensee (1955). They are most known for their comedy films together.