How many movies have Andrea Mertens and Andreas Janczyk collaborated on?

They have worked on 2 movies together! Their first movie together was Zerschmetterte Träume - Eine Liebe in Fesseln (1998) while their highest rated movie together was Kai Rabe gegen die Vatikankiller (1998). They have not worked together since Kai Rabe gegen die Vatikankiller (1998).