Known for Acting

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).
1996
as Yancy
1993
as Mayor Clum
2003
as Goldberg (uncredited)
1998
as Michaud
1988
as Alex McSween
1985
as Sheriff Joe Haller
1985
as Claude Harbrough
1984
as Buddy Kelsey
1991
as Howard Hughes
1989
as Frank Devereaux
1980
as Captain Minardi
1989
as Dr. Gene Clifford / Jerry Blake
2024
as Grandpa James
2001
as Rollin H. Parker
1987
as Bruce
1987
as Jerry Blake
1992
as Jack Moseley
1997
as Frank Ridell
1984
as Detective Buck McGovern
1996
as Judge Hilburn