John Terry is an American actor best known for his film roles as Lt. Lockhart in Full Metal Jacket and as Felix Leiter in The Living Daylights (both in 1987); and for his recurring role as Christian Shephard, the father of Jack, in the television drama series Lost, from 2004-2010.
He frequently plays father-figures who are suspected or proven to be untrustworthy or evil. He voiced the 'Previously on Lost' narration heard at the beginning of most episodes of Lost (2004).
On 24 (2001) he played the father of a woman named Kate who becomes romantically involved with a man named Jack. On Lost (2004), he plays the father of Jack who becomes romantically involved with Kate.
He has also appeared in Law & Order and Las Vegas, and has just completed the motion picture Zodiac (2007).