How many movies have Kurt Nachmann and Ossy Kolmann collaborated on?

They have worked on 3 movies together! Their first movie together was The Sweet Pussycats (1969) while their highest rated movie together was Immer Ärger mit Hochwürden (1972). They have not worked together since Das Wandern ist Herrn Müllers Lust (1973). They are most known for their comedy films together.