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).
Recent movies
| # | Name | Character | Rating |
|---|---|---|---|
| 1 | Getting LOST (2024) | Self | - |
| 2 | Unsung Hero (2024) | Grandpa James | - |
| 3 | Christmas Sail (2021) | Dennis | 6 |
| 4 | New Life (2016) | Dr. Philip Sumrall | - |
| 5 | Taken from Me: The Tiffany Rubin Story (2011) | Mark Miller | - |
| 6 | Old School (2003) | Goldberg (uncredited) | 7.2 |
| 7 | Phenomenon II (2003) | - | - |
| 8 | American Outlaws (2001) | Rollin H. Parker | 6.4 |
| 9 | Rated X (2000) | J.R. Mitchell | - |
| 10 | The X-Files (1998) | Michaud | 7 |
| 11 | My Stepson, My Lover (1997) | Richard Cory | - |
| 12 | Breast Men (1997) | Hersch Lawyer | - |
| 13 | On the Edge of Innocence (1997) | David Walker | - |
| 14 | Ghosts of Mississippi (1996) | Judge Hilburn | 7.5 |
| 15 | Primal Fear (1996) | Yancy | 7.6 |
| 16 | A Friend to Die For (1994) | Ed Saxe | 6.5 |
| 17 | Don't Talk to Strangers (1994) | Bonner | - |
| 18 | Lipstick Camera (1994) | Raymond Miller | - |
| 19 | Amityville: A New Generation (1993) | Detective Clark | 5.8 |
| 20 | Tombstone (1993) | Mayor Clum | 7.5 |
| 21 | Deliver Them from Evil: The Taking of Alta View (1992) | Sergeant Don Bell | - |
| 22 | The Cutting Edge (1992) | Jack Moseley | 7.2 |
| 23 | The Rocketeer (1991) | Howard Hughes | 7.3 |
| 24 | The Forgotten One (1989) | Bob Anderson | - |
| 25 | Blind Fury (1989) | Frank Devereaux | 6.3 |
| 26 | Stepfather 2 (1989) | Dr. Gene Clifford / Jerry Blake | 8 |
| 27 | Pin : A Plastic Nightmare (1988) | Dr. Frank Linden | 6.7 |
| 28 | Young Guns (1988) | Alex McSween | 7 |
| 29 | Black Widow (1987) | Bruce | 4.5 |
| 30 | The Stepfather (1987) | Jerry Blake | 7.6 |
| 31 | When the Time Comes (1987) | Wes Travis | - |
| 32 | Between Two Women (1986) | Dr. Wallace | - |
| 33 | SpaceCamp (1986) | Launch Director | 6 |
| 34 | Right to Kill? (1985) | Jim Barrett | - |
| 35 | Silver Bullet (1985) | Sheriff Joe Haller | 7.3 |
| 36 | Mischief (1985) | Claude Harbrough | - |
| 37 | An Early Frost (1985) | Dr. Redding | - |
| 38 | Places in the Heart (1984) | Buddy Kelsey | 8.5 |
| 39 | All the Right Moves (1983) | Freeman Smith | 6.3 |
| 40 | Without a Trace (1983) | Parent | - |
| 41 | Heaven's Gate (1980) | Captain Minardi | 6.7 |
