How many movies have Anja Harteros and Christian Thielemann acted in together?

They have worked on 4 movies together! Their first movie together was Richard Strauss: Letzte Lieder / Eine Alpensinfonie (2014) while their highest rated movie together was Wagner: Die Walküre (2017). They have not worked together since Lohengrin (2019). They are most known for their music films together.