How many movies have Heinz Hölscher and Ralf Wolter collaborated on?

They have worked on 7 movies together! Their first movie together was Winnetou and the Crossbreed (1966) while their highest rated movie together was Heintje - A Heart Goes on a Journey (1969). They have not worked together since Dracula Blows His Cool (1979). They are most known for their comedy films together.