How many movies have Karl Kahlmann and Werner Krauß acted in together?

They have worked on 1 movie together! Their first movie together was Robert Koch, der Bekämpfer des Todes (1939) and was their highest rated movie together. They have not worked together since Robert Koch, der Bekämpfer des Todes (1939).

Role
Wissenschaftler im Pathologischen Institu
Role
Geheimrat Rudolf Virchow