Dominik Tiefenthaler (German pronunciation: [dɔmɪnɪk tiːfəntaːlɐ]) (born 1971) is an Austrian-German actor, mainly working in American TV and films. His work includes Gossip Girl, The Good Wife, Person of Interest, Blue Bloods, The Blacklist, Boardwalk Empire, and the dramatic films Maybe Tomorrow and An Act of War. He has also done voice-over projects, including Grand Theft Auto IV and Wolfenstein: The New Order.