How many movies have Jan Josef Liefers and Klaus J. Behrendt acted in together?

They have worked on 3 movies together! Their first movie together was Kai Rabe gegen die Vatikankiller (1998) while their highest rated movie together was Der Untergang der Pamir (2006). They have not worked together since Der Untergang der Pamir (2006). They are most known for their drama films together.