MARK HARMON

Mark Harmon
Gender: Male
Known for: Acting
Birthday: September 2, 1951
Place of Birth: 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.
Filmography
Starring
2025·
Freakier FridayRyan
2024·
NCIS: OriginsOlder Leroy Jethro Gibbs (uncredited)
Self
Self - Narrator (voice)
Self
2019·
The WildSelf
Narrator (voice)
2016·
The American WestSelf
Self
2014·
NCIS: New OrleansLeroy Jethro Gibbs
Self
2011·
Certain PreyLucas Davenport
Superman (voice)
2009·
Weather GirlDale
2008·
The Bonnie Hunt ShowSelf
Self - Guest
2004·
The Tony Danza ShowSelf
2004·
Chasing LibertyJames Foster
2003·
NCISLeroy Jethro Gibbs
2003·
Jimmy Kimmel Live!2003·
Freaky FridayRyan
Self
2002·
Local BoysJim Wesley
2001·
And Never Let Her GoThomas Capano, Thomas Capano
2001·
The Legend of TarzanBob Markham (voice)
2001·
The Amati GirlsLawrence
2001·
Crossfire TrailBruce Barkow
2000·
For All TimeCharles Lattimer
1999·
Family GuyLeroy Jethro Gibbs (voice)
1999·
The West WingSimon Donovan
1999·
I'll Remember AprilJohn Cooper
Wally Schirra
Magazine Reporter
1997·
The ViewSelf
1997·
The First to GoJeremy Hampton
1997·
CasualtiesTommy Nance
Self
1995·
Charlie GraceCharlie Grace
1995·
JAGLeroy Jethro Gibbs
1995·
The Last SupperDominant Male
1995·
Magic in the WaterJack Black
1995·
Original SinsJohnathan Franye
1994·
Chicago HopeJack McNeil
1994·
Natural Born KillersMickey Knox in TV
1994·
Wyatt EarpSheriff Johnny Behan
1993·
Harts of the West1992·
Cold HeavenAlex Davenport
1991·
Reasonable DoubtsDet. Dicky Cobb
1991·
Fourth StoryDavid Shepard
1991·
Till There Was YouFrank Flynn
1991·
Long Road HomeErtie Robertson
1991·
DillingerJohn Dillinger
1991·
Shadow of a DoubtCharles Spencer
1989·
Sweet Bird of YouthChance Wayne
1989·
Worth WinningTaylor Worth
1988·
Stealing HomeBilly Wyatt
1988·
The PresidioJay Austin
1987·
After the PromiseElmer Jackson
(voice)
1987·
Summer SchoolMr. Freddy Shoop
1986·
Let's Get HarryHarry
1986·
Prince of Bel AirRobin Prince
Ted Bundy
1985·
MoonlightingSam Crawford
Gacel Sayah
1983·
Intimate AgonyTommy
1982·
St. ElsewhereRobert Caldwell
Self
1981·
Goliath AwaitsPeter Cabot
1981·
Flamingo Road1980·
The Dream MerchantsJohnny Edge
1980·
Flamingo RoadFielding Carlyle
1979·
240-RobertThib Thibideaux
Larry Simpson
1978·
SamMike Breen
1978·
CentennialCaptain John McIntosh
1978·
Little MoNorman Brinker
1978·
Comes a HorsemanBilly Joe Meynert
1978·
Getting MarriedHowie Lesser
1977·
The Love BoatDoug Bradbury
Robert Dunlap
1976·
DelvecchioRonnie Striker
1976·
All's Fair1976·
Laverne & Shirley1975·
Saturday Night LiveSelf - Host
1974·
Police WomanPaul Donin, Stanski
1974·
Sonic BoomStudent Controller
1973·
Ozzie's Girls1972·
Emergency!Ofcr. Dave Gordon
1968·
Adam-12Officer Gus Corbin
Charles
1944·
Golden Globe AwardsSelf, Self - Nominee
Production
2024·
NCIS: OriginsExecutive Producer
2014·
NCIS: New OrleansExecutive Producer
2011·
Certain PreyExecutive Producer
2003·
NCISExecutive Producer
2000·
Boston PublicDirector
1995·
Charlie GraceProducer
1994·
Chicago HopeDirector