How many movies have Johannes J. Frank and Karl Heinz Busse collaborated on?

They have worked on 5 movies together! Their first movie together was Der Glockengießer von Tirol (1956) while their highest rated movie together was Ich kauf mir lieber einen Tirolerhut (1965). They have not worked together since Das sündige Dorf (1966). They are most known for their comedy films together.