How many movies have Hans Bjerno and Robert Knepper collaborated on?

They have worked on 4 movies together! Their first movie together was The Day the Earth Stood Still (2008) while their highest rated movie together was The Hunger Games: Mockingjay - Part 2 (2015). They have not worked together since The Hunger Games: Mockingjay - Part 2 (2015). They are most known for their science fiction films together.