How many movies have Alex Buresch and Hubert Mulzer collaborated on?

They have worked on 2 movies together! Their first movie together was Seegrund. Ein Kluftingerkrimi (2013) while their highest rated movie together was Herzblut. Ein Kluftingerkrimi (2016). They have not worked together since Herzblut. Ein Kluftingerkrimi (2016).