How many movies have Dieter Kehler and Katrin Weisser collaborated on?

They have worked on 2 movies together! Their first movie together was Rosamunde Pilcher: Liebe im Spiel (2004) while their highest rated movie together was Rosamunde Pilcher: Und plötzlich war es Liebe (2006). They have not worked together since Rosamunde Pilcher: Und plötzlich war es Liebe (2006).