How many movies have Otto Wernicke and Theodor Loos acted in together?

They have worked on 5 movies together! Their first movie together was M (1931) and was their highest rated movie together. They have not worked together since Titanic (1943). They are most known for their crime films together.

Role
Police Commissar Borel
Role
The Prefect of Police
Role
Inspector Karl Lohmann
Role
Inspector Groeber