How many movies have Annalena Duken and Rainer Schäfer collaborated on?

They have worked on 2 movies together! Their first movie together was Der Ruf der Berge (2005) while their highest rated movie together was Der Ruf der Berge - Schatten der Vergangenheit (2007). They have not worked together since Der Ruf der Berge - Schatten der Vergangenheit (2007).