Titus B. Welliver (born March 12, 1962) is an American actor. He is best known for his portrayals of the Man in Black in Lost, Silas Adams in Deadwood, Jimmy O'Phelan in Sons of Anarchy, and the title role in the television series Bosch and Bosch: Legacy. He is also known for his collaborations with Ben Affleck, starring in his films Gone Baby...