Mark Harmon
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 int
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.
Born
Sep 02, 1951
Burbank, California, USA
Known For
Acting
Movies
48 acting
1 crew
Popularity
3.9
Known For
Freaky Friday
2003
as Ryan
Natural Born Killers
1994
as Mickey Knox in TV
Freakier Friday
2025
as Ryan
Fear and Loathing in Las Vegas
1998
as Magazine Reporter
Chasing Liberty
2004
as James Foster
Justice League: Crisis on Two Earths
2010
as Superman (voice)
Wyatt Earp
1994
as Sheriff Johnny Behan
The Last Supper
1995
as Dominant Male
Summer School
1987
as Freddy Shoop
The Presidio
1988
as Jay Austin
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