Titus Welliver is an American actor. He’s been in the acting business since the early ’90s. His first notable work was his portrayal of Al Capone in the 1991 film Mobsters. Later, he appeared in the films Zero Tolerance, Blind Justice, Born to Be Wild, and Mulholland Falls. He went on to play Dr. Mondzac in the TV series NYPD Blue. He also starred as Officer Jake Lowery in the CBS series Brooklyn South.
In the 2000s, he became known for his role as Silas Adams in the HBO series Deadwood. He then played the Man in Black in Lost. At the same time, he had performances in the films Assault on Precinct 13, Biker Boyz, and Gone Baby Gone. In the 2010s, he played Jimmy O’Phelan in Sons of Anarchy and Glenn Childs in The Good Wife. As of 2015, he plays lead role Hieronymus “Harry” Bosch in the Amazon series Bosch.