How many movies have Jeanette Kellermann and Petra Kilian collaborated on?

They have worked on 2 movies together! Their first movie together was Der Tote im Watt (2013) while their highest rated movie together was Mein Sohn, der Klugscheißer (2016). They have not worked together since Mein Sohn, der Klugscheißer (2016).