How many movies have Gabriel Merz and Jan-Gregor Kremp acted in together?

They have worked on 2 movies together! Their first movie together was Flanell No. 5 (1998) while their highest rated movie together was Annas Fluch-Tödliche Gedanken (1998). They have not worked together since Annas Fluch-Tödliche Gedanken (1998).