How many movies have Hansa Czypionka and Michael Keusch collaborated on?

They have worked on 3 movies together! Their first movie together was Das ist Dein Ende (1995) while their highest rated movie together was Vorzimmer zur Hölle - Streng geheim! (2011). They have not worked together since Vorzimmer zur Hölle - Streng geheim! (2011).