How many movies have Andrea Mertens and Marcello De Nardo collaborated on?

They have worked on 1 movie together! Their first movie together was Eine Liebe für den Frieden – Bertha von Suttner und Alfred Nobel (2014) and was their highest rated movie together. They have not worked together since Eine Liebe für den Frieden – Bertha von Suttner und Alfred Nobel (2014).