Personal Info
- Known ForActing
- GenderMale
- Birthday1951-09-02 (74 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 (voice) (uncredited)
- 2024
NCIS: Origins
As: Older Leroy Jethro Gibbs (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
2004Chasing Liberty
As: James Foster
2003NCIS
As: Leroy Jethro Gibbs
- 2003
Freaky Friday
As: Ryan
2002Local Boys
As: Jim Wesley
2001The Legend of Tarzan
As: Bob Markham (voice)
2001And Never Let Her Go
As: Thomas Capano
2001And Never Let Her Go
As: Thomas Capano
2001Crossfire Trail
As: Bruce Barkow
2001The Amati Girls
As: Lawrence
2000For All Time
As: Charles Lattimer
1999The West Wing
As: Simon Donovan
1999I'll Remember April
As: John Cooper
1999Family Guy
As: Leroy Jethro Gibbs (voice)
- 1998
Fear and Loathing in Las Vegas
As: Magazine Reporter
1998From the Earth to the Moon
As: Wally Schirra
1997Casualties
As: Tommy Nance
1997The First to Go
As: Jeremy Hampton
1995JAG
As: Leroy Jethro Gibbs
1995Charlie Grace
As: Charlie Grace
1995The Last Supper
As: Dominant Male
1995Magic in the Water
As: Jack Black
1995Original Sins
As: Johnathan Franye
1994Chicago Hope
As: Jack McNeil
- 1994
Natural Born Killers
As: Mickey Knox in TV
- 1994
Wyatt Earp
As: Sheriff Johnny Behan
1992Cold Heaven
As: Alex Davenport
1991Reasonable Doubts
As: Det. Dicky Cobb
1991Till There Was You
As: Frank Flynn
1991Shadow of a Doubt
As: Charles Spencer
1991Long Road Home
As: Ertie Robertson
1991Fourth Story
As: David Shepard
1991Dillinger
As: John Dillinger
1989Worth Winning
As: Taylor Worth
1989Sweet Bird of Youth
As: Chance Wayne
1988Stealing Home
As: Billy Wyatt
1988The Presidio
As: Jay Austin
1987After the Promise
As: Elmer Jackson
1987Dear America: Letters Home from Vietnam
As: (voice)
1987Summer School
As: Mr. Freddy Shoop
1986Let's Get Harry
As: Harry
1986The Deliberate Stranger
As: Ted Bundy
1986The Deliberate Stranger
As: Ted Bundy
1986Prince of Bel Air
As: Robin Prince
1985Moonlighting
As: Sam Crawford
1984Tuareg: Desert Warrior
As: Gacel Sayah
1983Intimate Agony
As: Tommy
1982St. Elsewhere
As: Robert Caldwell
1981Goliath Awaits
As: Peter Cabot
1981Flamingo Road
As: Field Carlyle
1980Flamingo Road
As: Fielding Carlyle
1980The Dream Merchants
As: Johnny Edge
1979240-Robert
As: Thib Thibideaux
1979Beyond the Poseidon Adventure
As: Larry Simpson
1978Comes a Horseman
As: Billy Joe Meynert
1978Centennial
As: Captain John McIntosh
1978Little Mo
As: Norman Brinker
1978Getting Married
As: Howie Lesser
1978Sam
As: Mike Breen
1977The Love Boat
As: Doug Bradbury
1976Delvecchio
As: Ronnie Striker
1974Police Woman
As: Stanski
1974Police Woman
As: Paul Donin
1974Sonic Boom
As: Student Controller
1972Emergency!
As: Ofcr. Dave Gordon
1968Adam-12
As: Officer Gus Corbin
1951Hallmark Hall of Fame
As: Charles