Terry O'Quinn

Terrance Quinn, known professionally as Terry O'Quinn, is an American actor. He is best known for his Primetime Emmy Award-winning performance of John Locke on the TV series Lost (2004–2010). In film, he is best known for playing the title role in The Stepfather (1987) and Howard Hughes in The Rocketeer (1991), with roles in other films such as Heaven's Gate (1980), Silver Bullet (1985), Young Guns (1988), Blind Fury (1989), Tombstone (1993), and Primal Fear (1996).

Other prominent television roles include Peter Watts in Millennium (1996–1999), FBI Asst. Director Kendall in Alias (2002–2004), Commander Joe White in Hawaii Five-0 (2011–2018), and Tom Tavner in Patriot (2015–2018).