How many movies have Martin Zimmermann and Nicole Belstler-Boettcher collaborated on?

They have worked on 2 movies together! Their first movie together was Geisterjäger John Sinclair : Die Dämonenhochzeit (1997) while their highest rated movie together was Naked: The Net Never Forgets (2017). They have not worked together since Naked: The Net Never Forgets (2017).