Personal Info
- Known ForActing
- GenderMale
- Birthday1951-09-02 (73 years)
- Place of BirthBurbank, California, USA
- Also Known AsThomas Mark Harmonمارک هارمونمارک هارمُن
Mark Harmon
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'...Read More
Known For
Acting Career
- 2025
Freakier Friday
As: Ryan
- 2024
NCIS: Origins
As: Older Leroy Jethro Gibbs (Narrator voice)
- 2024
NCIS: Origins
As: Leroy Jethro (voice, uncredited)
- 2018
All or Nothing: The Michigan Wolverines
As: Narrator (voice)
- 2014
NCIS: New Orleans
As: Leroy Jethro Gibbs
- 2011
Certain Prey
As: Lucas Davenport
- 2010
Justice League: Crisis on Two Earths
As: Superman (voice)
- 2009
Weather Girl
As: Dale
- 2004
Chasing Liberty
As: James Foster
- 2003
NCIS
As: Leroy Jethro Gibbs
- 2003
Freaky Friday
As: Ryan
- 2002
Local Boys
As: Jim Wesley
- 2001
The Legend of Tarzan
As: Bob Markham (voice)
- 2001
And Never Let Her Go
As: Thomas Capano
- 2001
And Never Let Her Go
As: Thomas Capano
- 2001
Crossfire Trail
As: Bruce Barkow
- 2001
The Amati Girls
As: Lawrence
- 2000
For All Time
As: Charles Lattimer
- 1999
The West Wing
As: Simon Donovan
- 1999
I'll Remember April
As: John Cooper
- 1999
Family Guy
As: Leroy Jethro Gibbs (voice)
- 1998
Fear and Loathing in Las Vegas
As: Magazine Reporter
- 1998
From the Earth to the Moon
As: Wally Schirra
- 1997
Casualties
As: Tommy Nance
- 1997
The First to Go
As: Jeremy Hampton
- 1995
JAG
As: Leroy Jethro Gibbs
- 1995
Charlie Grace
As: Charlie Grace
- 1995
The Last Supper
As: Dominant Male
- 1995
Magic in the Water
As: Jack Black
- 1995
Original Sins
As: Johnathan Franye
- 1994
Chicago Hope
As: Jack McNeil
- 1994
Natural Born Killers
As: Mickey Knox in TV
- 1994
Wyatt Earp
As: Sheriff Johnny Behan
- 1992
Cold Heaven
As: Alex Davenport
- 1991
Reasonable Doubts
As: Det. Dicky Cobb
- 1991
Till There Was You
As: Frank Flynn
- 1991
Shadow of a Doubt
As: Charles Spencer
- 1991
Long Road Home
As: Ertie Robertson
- 1991
Fourth Story
As: David Shepard
- 1991
Dillinger
As: John Dillinger
- 1989
Worth Winning
As: Taylor Worth
- 1989
Sweet Bird of Youth
As: Chance Wayne
- 1988
Stealing Home
As: Billy Wyatt
- 1988
The Presidio
As: Jay Austin
- 1987
After the Promise
As: Elmer Jackson
- 1987
Dear America: Letters Home from Vietnam
As: (voice)
- 1987
Summer School
As: Mr. Freddy Shoop
- 1986
Let's Get Harry
As: Harry
- 1986
The Deliberate Stranger
As: Ted Bundy
- 1986
Prince of Bel Air
As: Robin Prince
- 1985
Moonlighting
As: Sam Crawford
- 1984
Tuareg: Desert Warrior
As: Gacel Sayah
- 1983
Intimate Agony
As: Tommy
- 1982
St. Elsewhere
As: Robert Caldwell
- 1981
Goliath Awaits
As: Peter Cabot
- 1980
Flamingo Road
As: Fielding Carlyle
- 1980
The Dream Merchants
As: Johnny Edge
- 1979
240-Robert
As: Thib Thibideaux
- 1979
Beyond the Poseidon Adventure
As: Larry Simpson
- 1978
Comes a Horseman
As: Billy Joe Meynert
- 1978
Centennial
As: Captain John McIntosh
- 1978
Little Mo
As: Norman Brinker
- 1978
Getting Married
As: Howie Lesser
- 1978
Sam
As: Mike Breen
- 1977
The Love Boat
As: Doug Bradbury
- 1976
Delvecchio
As: Ronnie Striker
- 1974
Police Woman
As: Stanski
- 1974
Police Woman
As: Paul Donin
- 1974
Sonic Boom
As: Student Controller
- 1972
Emergency!
As: Ofcr. Dave Gordon
- 1968
Adam-12
As: Officer Gus Corbin
- 1951
Hallmark Hall of Fame
As: Charles