Michael Wittenborn: Michael Wittenborn. Actor: All Quiet on the Western Front. Michael Wittenborn was born on 31 May 1953 in Bielefeld, Germany. He is an actor, known for All Quiet on the Western Front (2022), Merz gegen Merz (2019) and Toni Erdmann (2016). He is married to Karin Beier. They have one child.
