How many movies have Karl Freund and Ressel Orla collaborated on?

They have worked on 3 movies together! Their first movie together was The Spiders: Part 1 - The Golden Sea (1919) while their highest rated movie together was The Spiders: Part 2 - The Diamond Ship (1920). They have not worked together since Die Abenteuer eines Zehnmarkscheines (1926). They are most known for their adventure films together.