How many movies have Klaus Graf and Robert Hunger-Bühler collaborated on?

They have worked on 3 movies together! Their first movie together was Money. Murder. Zurich.: Borchert and the last hope (2018) while their highest rated movie together was Money. Murder. Zurich.: Borchert and the bitter medicine (2022). They have not worked together since Money. Murder. Zurich.: Borchert and the bitter medicine (2022). They are most known for their drama films together.