Terry O'Quinn

Terrance Quinn (born July 15, 1952), known professionally as Terry O'Quinn, is an American actor. He is best known for his Emmy Award-winning performance as John Locke on the TV series Lost (2004–2010). He had roles in films including The Stepfather (1987), The Rocketeer (1991), 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).

Terry O'Quinn is known for work in acting across film and television. New Release currently presents 19 verified screen credits connected to this profile. Selected work includes Unsung Hero (2024), The Walking Dead: The Ones Who Live (2024), PIECES OF HER (2022), Emergence (2019), 666 Park Avenue (2012), Lost (2004), Alias (2001), The X-Files (1998). The recorded credits span 1985 to 2024, including 11 movies and 8 TV shows. The filmography below lists available titles, release years and known roles. This profile is updated as additional verified information becomes available.