About
Terrance Quinn, known professionally as Terry O'Quinn, is an American actor celebrated for his captivating performances in both film and television. He is most recognized for his role as John Locke in the hit TV series *Lost*, earning him a Primetime Emmy Award. O'Quinn has also delivered memorable performances in films such as *The Stepfather* and *The Rocketeer*. His versatility and dedication to his craft have made him a respected figure in the entertainment industry.
Career Timeline
Early Roles
Begins acting career with minor roles in film and television.
'The Stepfather' Success
Gains recognition for his role in 'The Stepfather', showcasing his talent.
'Lost' Breakthrough
Cast as John Locke in 'Lost', achieving widespread acclaim and fame.
Emmy Award Winner
Wins Primetime Emmy Award for his performance in 'Lost'.
'Lost' Concludes
'Lost' series ends, continues working in television, including 'Hawaii Five-0'.
'Emergence' Series
Stars in the TV series 'Emergence', solidifying his television presence.
Continued Television Roles
Continues to work steadily in television, respected for his craft.
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Last updated: February 25, 2026