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Mark Harmon

Mark Harmon

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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.

Mark Harmon — Biography, Age & FactsMark Harmon Age in 2026Mark Harmon Nationality: United StatesMark Harmon — Still Alive (Age 74)Mark Harmon Career (56 years)
nearly two decadesRose Bowl gamesfilms likethe UCLA Bruins football team from 1972 tGibbsSpecial Agent Leroy
Born
Years in career56 years active
September 2nd, 1951
Birthplace
Burbank, California, USA
Known for
🎭 Actor
Nationality
United States
Generation
Baby Boomer
Career
56 years
Region
North America
How Mark Harmon compares to other Actors
🎂Mark Harmon is 21 years older than the average Actor
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Facts about Mark Harmon

Did you know?

Did you know that in 1993, he received an NCAA Silver Anniversary Award for outstanding career achievements following his college football days?

5 Lesser-known facts
  • His father was Heisman Trophy winner Tom Harmon, a renowned football player and sportscaster for Rose Bowl games.
  • His mother was actress and fashion designer Elyse Knox, known for films like 'The Mummy's Tomb'.
  • He was a starting quarterback for the UCLA Bruins football team from 1972 to 1973, leading them to a 17-5 record.
  • In 1996, he used a sledgehammer from his garage to rescue two teenagers from a burning car outside his home.
  • Before acting, Harmon worked as a carpenter, a skill he later used to build the wooden boat seen in Gibbs' basement on NCIS.
Career highlight

Mark Harmon's portrayal of Special Agent Leroy Jethro Gibbs on NCIS became one of television's most iconic characters. Leading the procedural drama for nearly two decades, his stoic yet deeply moral performance captivated millions, making NCIS a global phenomenon and one of the most-watched shows worldwide.

Legacy

Harmon's enduring presence on NCIS solidified his status as a beloved television lead, creating a character that defined an era of crime dramas and influenced subsequent portrayals of law enforcement on screen.

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Related books & media
📚Mark Harmon Biography & BooksAmazon → 🎬Mark Harmon Actor WorksAmazon →
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Frequently asked questions

How old is Mark Harmon?
Mark Harmon is 74 years old (born September 2, 1951).
Is Mark Harmon still alive?
Yes, Mark Harmon is still alive as of 2026, aged 74.
Where is Mark Harmon from?
Mark Harmon is from Burbank, California, USA, United States.
What is Mark Harmon known for?
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.
What generation is Mark Harmon?
Mark Harmon is a Baby Boomer, born in 1951.
What is a surprising fact about Mark Harmon?
Did you know that in 1993, he received an NCAA Silver Anniversary Award for outstanding career achievements following his college football days?
What is Mark Harmon's biggest career achievement?
Mark Harmon's portrayal of Special Agent Leroy Jethro Gibbs on NCIS became one of television's most iconic characters. Leading the procedural drama for nearly two decades, his stoic yet deeply moral performance captivated millions, making NCIS a global phenomenon and one of the most-watched shows worldwide.

Also known as: M. Harmon

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