Damian Young (born October 27, 1961) is an American actor. He's best known for his roles as Mr. Headwood on the AMC/TNT series Snowpiercer, Jim Rattelsdorf on Netflix's Ozark, Aidan Macallan on Netflix's House of Cards, Gideon Allen in The Oranges, Bill Lewis on Showtime's Californication, and Mark Berman on HBO's The Comeback.