How many movies have Karl Falkenberg and Nils Landberg acted in together?

They have worked on 1 movie together! Their first movie together was Tausend und eine Frau. Aus dem Tagebuch eines Junggesellen (1918) and was their highest rated movie together. They have not worked together since Tausend und eine Frau. Aus dem Tagebuch eines Junggesellen (1918).