MonSep 2

Mark Harmon

Thomas Mark Harmon was born on September 2, 1951, in Burbank, California. He is the youngest of three children. His parents — Tom Harmon and Elyse Knox — were both famous in their own right as his father was a football player and actor, and his mother was an actress. He has been married to Pam Dawber since 1987 and has two children. Harmon is most famous for his role of Leroy Jethro Gibbs in “N.C.I.S.” which he played from 2003 to 2021.

Fast Facts

Full Name:

Thomas Mark Harmon


Mark Harmon, Papa Smurf, Silver Fox

Birth date:

September 2, 1951



Zodiac Sign:



6' 0"

Relationship Status:


Net Worth:

$120 million

Thomas's Social Media:


Thomas Mark Harmon was born on September 2, 1951, in Burbank, California, and is the youngest son of parents Tom Harmon and Elyse Knox. His father was a Heisman Trophy-winning football player and actor, while his mother was an actress, model, and artist. Harmon has two older sisters, the late Kristin Nelson and Kelly Harmon, both of whom were also involved in the arts like their parents. Harmon played as a quarterback in college at U.C.L.A. between 1971 and 1974. In this sport, he received the National Football Foundation Award for All-Round Excellence and was inducted into the inaugural class of the Pierce College Athletic Hall of Fame in 2010.

After college, Harmon started to pursue a career in acting, following in his parent’s footsteps. His first job as an actor was in a show titled “Ozzie’s Girls” in 1973. Throughout the 1970s, Harmon starred in various miniseries and made guest appearances on many shows, including “Eleanor and Franklin: The White House Years,” “Sam,” and “Centennial,” among others. The year 1986 was significant for Harmon as his career reached several high points. He was named “People Magazine’s” ‘Sexiest Man Alive,’ he played the lead in the T.V. movies “The Prince of Bel-Air” and “The Deliberate Stranger.” Despite a few high-profile roles in films such as “The Presidio” and “Stealing Home,” Harmon’s film career never took off and he returned to T.V. in 1991.

In 2002, Harmon received his second Emmy Award nomination for his role on “The West Wing” as a secret service agent. He portrayed law enforcement characters for most of his career and this helped him land the role of Leroy Jethro Gibbs in “N.C.I.S.” in 2003. His role in “N.C.I.S.” earned him six People’s Choice Award nominations which included a win for Favorite T.V. Crime Drama Actor in 2017. He has also been a producer and executive producer of the show since 2008.

Career timeline

First Sitcom

Mark Harmon lands his first acting job in “Ozzie’s Girls.”

The Sexiest Man Alive

Harmon is named “People Magazine’s” ‘Sexiest Man Alive.’

His Second Emmy Award Nomination

He is nominated for his second Emmy Award for his role in “The West Wing.”

The Special Agent

Harmon portrays the role of Leroy Jethro Gibbs in “N.C.I.S..”

Becomes a Producer

Harmon starts his career as a producer and executive producer for T.V. shows, including “N.C.I.S..”

Starts a Production Company

Harmon establishes his own production company called Wings Productions to produce “N.C.I.S.: New Orleans.”

Wins a People’s Choice Award

Harmon is nominated for and wins the People’s Choice Award for Favorite T.V. Crime Drama Actor.

Why We Love Mark Harmon

  1. He is genuinely nice

    According to his “N.C.I.S.” co-stars, Mark Harmon is a genuinely nice, approachable guy. Everyone loves a down-to-earth celebrity with a heart of gold, and Harmon ticks all the boxes.

  2. He does charity work

    Like many celebrities, Harmon spends much of his time doing charity work. He has supported many charities in the past, including Clothes Off Our Back, Kids Wish Network, and Stand Up to Cancer, to name a few.

  3. He is a mentor

    Like his character, Gibbs, Harmon is a great mentor to his co-stars. His co-stars describe him as a supportive father figure who is always ready to give valuable life and career advice to those who will listen.

5 Surprising Facts

  1. He appeared on T.V. with his father

    He debuted on T.V. through a Kellogg’s commercial.

  2. He got a star

    Mark Harmon received the 2,482nd star on the Hollywood Walk of Fame in 2012.{[He appeared on T.V. with his father

  3. He did carpentry before acting

    Harmon worked as a carpenter before finding success as an actor.

  4. His son played his younger version

    Harmon’s son, Sean Thomas Harmon, has played young Gibbs on several episodes of “N.C.I.S..”

  5. He owned a baseball team

    Harmon was part-owner of the San Bernardino Spirit minor league baseball team.

Mark Harmon FAQs

Did Mark Hamon leave “N.C.I.S.” for good?

While he did sign a deal to appear on season 19 of the show, Harmon will not be returning to “N.C.I.S.” in the future.

Where is Mark Harmon now?

Harmon has reportedly retired and plans to live quietly with his wife, Pam Dawber.

Who is replacing Mark Harmon on “N.C.I.S.”?

While the character of Gibbs is permanently removed from the show following his death, the character of Alden Parker has been instated as the new team leader.

Mark Harmon’s birthday dates

2024September 2Monday
2025September 2Tuesday
2026September 2Wednesday
2027September 2Thursday
2028September 2Saturday

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