1951-09-02 Burbank, California, USA
Thomas Mark Harmon (born September 2, 1951) is an American actor, producer and director. He is known for playing the lead role of Leroy Jethro Gibbs on NCIS (2003-2021), a role which has earned him six nominations at the People's Choice Awards including a win for Favorite TV Crime Drama Actor in 2017. Since 2008, he has also been a producer and executive producer of the show as well as its' spinoff series NCIS: New Orleans. His character of NCIS special agent Leroy Jethro Gibbs was introduced in a guest starring role in two episodes of JAG, and continued on the spinoff show NCIS. He had a recurring role as Secret Service special agent Simon Donovan in a four-episode story arc in The West Wing in 2002, for which he received an Emmy Award nomination. One of his first national TV appearances (other than as an athlete) was in a commercial for Kellogg's Product 19 cereal with his father, Tom Harmon, its longstanding TV spokesman. Thanks to his sister Kristin's in-laws, Ozzie and Harriet Nelson, he landed his first job as an actor in an episode of Ozzie's Girls. He has been starring in television and film since the mid-1970s, after a career as a collegiate football player with the UCLA Bruins. He's been married to actress Pam Dawber since 1987 and they have 2 sons. His son, actor Sean Harmon, had a recurring role as a young Leeroy Jethro Gibbs on NCIS.
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Freakier Friday | Ryan | 2025-08-06 |
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NCISverse: The First 1,000 | Self | 2024-04-08 |
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The Wild | Self | 2019-05-19 |
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Certain Prey | Lucas Davenport | 2011-11-06 |
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Justice League: Crisis on Two Earths | Superman (voice) | 2010-02-23 |
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Weather Girl | Dale | 2009-07-10 |
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Chasing Liberty | James Foster | 2004-01-09 |
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Freaky Friday | Ryan | 2003-08-05 |
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Local Boys | Jim Wesley | 2002-02-23 |
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Intimate Portrait: Pam Dawber | Self | 2002-01-01 |
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Crossfire Trail | Bruce Barkow | 2001-01-21 |
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The Amati Girls | Lawrence | 2001-01-09 |
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And Never Let Her Go | Thomas Capano | 2001-04-01 |
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For All Time | Charles Lattimer | 2000-10-18 |
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I'll Remember April | John Cooper | 1999-04-05 |
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Fear and Loathing in Las Vegas | Magazine Reporter | 1998-05-19 |
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Casualties | Tommy Nance | 1997-04-15 |
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The First to Go | Jeremy Hampton | 1997-01-01 |
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Magic in the Water | Jack Black | 1995-08-30 |
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The Last Supper | Dominant Male | 1995-09-08 |
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Original Sins | Johnathan Franye | 1995-04-12 |
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Wyatt Earp | Sheriff Johnny Behan | 1994-06-24 |
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Natural Born Killers | Mickey Knox in TV | 1994-08-26 |
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Cold Heaven | Alex Davenport | 1992-05-29 |
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Fourth Story | David Shepard | 1991-01-19 |
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Shadow of a Doubt | Charles Spencer | 1991-04-27 |
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Long Road Home | Ertie Robertson | 1991-02-25 |
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Till There Was You | Frank Flynn | 1991-07-18 |
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Dillinger | John Dillinger | 1991-01-06 |
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Sweet Bird of Youth | Chance Wayne | 1989-10-01 |
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Worth Winning | Taylor Worth | 1989-10-27 |
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The Presidio | Jay Austin | 1988-06-10 |
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Stealing Home | Billy Wyatt | 1988-08-26 |
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Summer School | Mr. Freddy Shoop | 1987-07-22 |
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Dear America: Letters Home from Vietnam | (voice) | 1987-10-01 |
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After the Promise | Elmer Jackson | 1987-10-11 |
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The Deliberate Stranger | Ted Bundy | 1986-05-04 |
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Let's Get Harry | Harry | 1986-10-31 |
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Prince of Bel Air | Robin Prince | 1986-01-20 |
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Tuareg - Il guerriero del deserto | Gacel Sayah | 1984-03-12 |
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Intimate Agony | Tommy | 1983-03-21 |
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Flamingo Road | Fielding Carlyle | 1980-05-12 |
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Beyond the Poseidon Adventure | Larry Simpson | 1979-05-18 |
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Little Mo | Norman Brinker | 1978-09-05 |
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Comes a Horseman | Billy Joe Meynert | 1978-10-25 |
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Getting Married | Howie Lesser | 1978-05-17 |
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Eleanor and Franklin: The White House Years | Robert Dunlap | 1977-03-13 |
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Sonic Boom | Student Controller | 1974-01-01 |
