How many movies have Friedrich Kühne and Ressel Orla acted in together?

They have worked on 3 movies together! Their first movie together was Tales of Hoffmann (1916) while their highest rated movie together was The Spiders: Part 2 - The Diamond Ship (1920). They have not worked together since The Spiders: Part 2 - The Diamond Ship (1920). They are most known for their crime films together.