Terry O'Quinn (born July 15, 1952) is an Emmy-award winning, American actor, most famous for playing John Locke on the TV series Lost. He made his debut in a 1980 television movie called F.D.R.: The Last Year. Since then, O'Quinn has had minor supporting roles in films and TV movies such as Young Guns, All the Right Moves, Silver Bullet, Places in the Heart and Between Two Women. O'Quinn has had guest roles on tv shows such as Miami Vice, The Twilight Zone, Tales of the Unexpected, The West Wing, JAG, and Remington Steele. O'Quinn became famous for playing the title role in The Stepfather and Stepfather II, and in 1996 O'Quinn was cast as Peter Watts in Millennium, which ran for three seasons (1996-1999). In recent years, O'Quinn has been portraying John Locke on the ABC TV series Lost, for which he won an Emmy Award in 2007 and had previously been nominated in 2005.