Sebastian Koch is a renowned and versatile German actor, born on May 31, 1962, in Karlsruhe, Germany. He is best known for his role as playwright George Dreyman in the Oscar-winning film The Lives of Others and for his performance in A Good Day to Die Hard. He turned to theater in the mid-1980s and then began his television career in 1986 with an episode of the popular crime show Derrick.