How many movies have Jutta Speidel and Werner Jacobs collaborated on?

They have worked on 6 movies together! Their first movie together was Hurrah, the School Is Burning (1969) while their highest rated movie together was Our Willi Is the Best (1971). They have not worked together since Auch ich war nur ein mittelmäßiger Schüler (1974). They are most known for their comedy films together.