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Mark Harmon
Mark Harmon

Mark Harmon

ActingBorn September 2, 1951 (age 74)Burbank, California, USA

Biography

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.

Filmography

2025Movie
2024
NCIS: Origins

as Older Leroy Jethro Gibbs (voice) (uncredited)

TV
2024
NCIS: Origins

as Older Leroy Jethro Gibbs (uncredited)

TV
2022
Joe Montana: Cool Under Pressure

as Self - Narrator (voice)

TV
2019
The Wild

as Self

Movie
2016TV
2014
NCIS: New Orleans

as Leroy Jethro Gibbs

TV
2011
Certain Prey

as Lucas Davenport

Movie
2010Movie
2009Movie
2006TV
2004TV
2004
Chasing Liberty

as James Foster

Movie
2003
NCIS

as Leroy Jethro Gibbs

TV
2003Movie
2003TV
2002
Local Boys

as Jim Wesley

Movie
2001
The Legend of Tarzan

as Bob Markham (voice)

TV
2001
And Never Let Her Go

as Thomas Capano

Movie
2001
And Never Let Her Go

as Thomas Capano

TV
2001
Crossfire Trail

as Bruce Barkow

Movie
2001
The Amati Girls

as Lawrence

Movie
2000
For All Time

as Charles Lattimer

Movie
1999
The West Wing

as Simon Donovan

TV
1999
I'll Remember April

as John Cooper

Movie
1999
Family Guy

as Leroy Jethro Gibbs (voice)

TV
1998
Fear and Loathing in Las Vegas

as Magazine Reporter

Movie
1998TV
1997
The View

as Self

TV
1997
Casualties

as Tommy Nance

Movie
1997
The First to Go

as Jeremy Hampton

Movie
1996
Strangers

as Mark

TV
1995
JAG

as Leroy Jethro Gibbs

TV
1995
Charlie Grace

as Charlie Grace

TV
1995
The Last Supper

as Dominant Male

Movie
1995
Magic in the Water

as Jack Black

Movie
1995
Original Sins

as Johnathan Franye

Movie
1994
Chicago Hope

as Jack McNeil

TV
1994
Natural Born Killers

as Mickey Knox in TV

Movie
1994
Wyatt Earp

as Sheriff Johnny Behan

Movie
1992
Cold Heaven

as Alex Davenport

Movie
1991
Reasonable Doubts

as Det. Dicky Cobb

TV
1991
Till There Was You

as Frank Flynn

Movie
1991
Shadow of a Doubt

as Charles Spencer

Movie
1991
Long Road Home

as Ertie Robertson

Movie
1991
Fourth Story

as David Shepard

Movie
1991
Dillinger

as John Dillinger

Movie
1989
Worth Winning

as Taylor Worth

Movie
1989
Sweet Bird of Youth

as Chance Wayne

Movie
1988
Stealing Home

as Billy Wyatt

Movie
1988
The Presidio

as Jay Austin

Movie
1987
After the Promise

as Elmer Jackson

Movie
1987
Summer School

as Mr. Freddy Shoop

Movie
1986Movie
1986Movie
1986TV
1986
Prince of Bel Air

as Robin Prince

Movie
1985
Moonlighting

as Sam Crawford

TV
1984Movie
1983Movie
1982
St. Elsewhere

as Robert Caldwell

TV
1981
Goliath Awaits

as Peter Cabot

TV
1981
Flamingo Road

as Field Carlyle

TV
1980
Flamingo Road

as Fielding Carlyle

Movie
1980
The Dream Merchants

as Johnny Edge

TV
1979
240-Robert

as Thib Thibideaux

TV
1979Movie
1978
Comes a Horseman

as Billy Joe Meynert

Movie
1978
Centennial

as Captain John McIntosh

TV
1978
Little Mo

as Norman Brinker

Movie
1978
Getting Married

as Howie Lesser

Movie
1978
Sam

as Mike Breen

TV
1977
The Love Boat

as Doug Bradbury

TV
1976
Delvecchio

as Ronnie Striker

TV
1975
Saturday Night Live

as Self - Host

TV
1974
Police Woman

as Stanski

TV
1974
Police Woman

as Paul Donin

TV
1974
Sonic Boom

as Student Controller

Movie
1972
Emergency!

as Ofcr. Dave Gordon

TV
1968
Adam-12

as Officer Gus Corbin

TV
1951TV
1944
Golden Globe Awards

as Self - Nominee

TV
1944TV

Personal Info

DepartmentActing
BirthdaySeptember 2, 1951
Place of BirthBurbank, California, USA
Popularity2.6
Mark Harmon - Actor Profile & Filmography | FMovies