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Mark Harmon

Mark Harmon

Actor · Born September 2, 1951 · Burbank, California, USA

IMDb

Highest rated as cast or director

Biography

Mark Harmon (born September 2, 1951, in Burbank, California) is an American actor, producer and director. The son of football star Tom Harmon and actress Elyse Knox, he played college football at UCLA before turning to acting in the mid-1970s. He became known for St. Elsewhere and Chicago Hope and starred as Leroy Jethro Gibbs on NCIS from 2003 to 2021, a character introduced on JAG, also serving as a producer of the series. He received an Emmy nomination for his recurring role as Secret Service agent Simon Donovan on The West Wing, and his film work includes Summer School, The Presidio, Wyatt Earp and Freaky Friday.

Acted in 76

1990s

  1. 1999

    The West Wing

    Simon Donovan · 4 episodes

    87

  2. I'll Remember April

    John Cooper

    64

  3. Family Guy

    Leroy Jethro Gibbs (voice) · 1 episode

    79
  4. 1998

    Fear and Loathing in Las Vegas

    Magazine Reporter

    62

  5. From the Earth to the Moon

    Wally Schirra · 1 episode

    85
  6. 1997

    Casualties

    Tommy Nance

    57

  7. The First to Go

    Jeremy Hampton

  8. 1996

    Strangers

    Mark · 1 episode

  9. 1995

    JAG

    Leroy Jethro Gibbs · 2 episodes

    69

  10. Charlie Grace

    Charlie Grace · 9 episodes

  11. The Last Supper

    Dominant Male

    65

  12. Magic in the Water

    Jack Black

    45

  13. Original Sins

    Johnathan Franye

  14. 1994

    Chicago Hope

    Jack McNeil · 96 episodes

    70

  15. Natural Born Killers

    Mickey Knox in TV

    68

  16. Wyatt Earp

    Sheriff Johnny Behan

    56
  17. 1993

    Harts of the West

    TV

  18. 1992

    Cold Heaven

    Alex Davenport

    52

  19. The Tonight Show with Jay Leno

    TV · 21 Seasons · Talk · Comedy

    53
  20. 1991

    Reasonable Doubts

    Det. Dicky Cobb · 44 episodes

  21. Till There Was You

    Frank Flynn

  22. Long Road Home

    Ertie Robertson

  23. Fourth Story

    David Shepard

  24. Dillinger

    John Dillinger

1980s

  1. 1989

    Worth Winning

    Taylor Worth

  2. Sweet Bird of Youth

    Chance Wayne

    54
  3. 1988

    Stealing Home

    Billy Wyatt

    53

  4. The Presidio

    Jay Austin

    50
  5. 1987

    After the Promise

    Elmer Jackson

    76

  6. Dear America: Letters Home from Vietnam

    (voice)

  7. Summer School

    Freddy Shoop

    56
  8. 1986

    Let's Get Harry

    Harry

  9. The Deliberate Stranger

    Ted Bundy

  10. The Deliberate Stranger

    Ted Bundy · 2 episodes

  11. Prince of Bel Air

    Robin Prince

    54
  12. 1985

    Moonlighting

    Sam Crawford · 4 episodes

    76
  13. 1984

    Tuareg: Desert Warrior

    Gacel Sayah

  14. 1983

    Intimate Agony

    Tommy

  15. 1982

    St. Elsewhere

    Robert Caldwell · 59 episodes

    73
  16. 1981

    Goliath Awaits

    Peter Cabot · 2 episodes

  17. Flamingo Road

    Field Carlyle · 37 episodes

    64
  18. 1980

    Flamingo Road

    Fielding Carlyle

  19. The Dream Merchants

    Johnny Edge · 3 episodes

1950s

  1. 1951

    Hallmark Hall of Fame

    Charles · 1 episode

Produced 5

1990s

  1. 1995

    Charlie Grace

    Producer

Directed 2

Appearances20

2010s

  1. 2019

    The Kelly Clarkson Show

    Self · 1 episode

    60

  2. The Wild

    Self

  3. 2018

    All or Nothing: The Michigan Wolverines

    Narrator (voice) · 8 episodes

  4. 2016

    The American West

    Self · 8 episodes

  5. 2015

    The Late Show with Stephen Colbert

    Self - Guest · 1 episode

    69

  6. The Late Late Show with James Corden

    Self · 1 episode

    55
  7. 2013

    The Arsenio Hall Show

    Self · 1 episode

  8. 2012

    Steve Harvey

    Self · 1 episode