Mark Harmon
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 Servic...
Also Known As
Thomas Mark Harmon
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Mark Harmon's Movies
Fear and Loathing in Las Vegas
22 May 1998
Freaky Friday
05 Aug 2003
Natural Born Killers
26 Aug 1994
Wyatt Earp
24 Jun 1994
Freakier Friday
06 Aug 2025
Justice League: Crisis on Two Earths
23 Feb 2010
Chasing Liberty
09 Jan 2004
The Presidio
10 Jun 1988
The Last Supper
08 Sept 1995
Summer School
22 Jul 1987
Beyond the Poseidon Adventure
18 May 1979
Comes a Horseman
25 Oct 1978
Weather Girl
10 Jul 2009
Stealing Home
26 Aug 1988
Let's Get Harry
31 Oct 1986
Worth Winning
27 Oct 1989
Crossfire Trail
21 Jan 2001
Magic in the Water
30 Aug 1995
Dear America: Letters Home from Vietnam
01 Oct 1987
The Deliberate Stranger
04 May 1986
Mark Harmon's TV Shows
Family Guy
31 Jan 1999
NCIS
23 Sept 2003
The West Wing
22 Sept 1999
Saturday Night Live
11 Oct 1975
NCIS: New Orleans
23 Sept 2014
Moonlighting
03 Mar 1985
JAG
23 Sept 1995
The Late Show with Stephen Colbert
08 Sept 2015
Jimmy Kimmel Live!
26 Jan 2003
The Love Boat
24 Sept 1977
The Late Late Show with James Corden
23 Mar 2015
From the Earth to the Moon
05 Apr 1998
The View
11 Aug 1997
The Legend of Tarzan
03 Sept 2001
The Tonight Show with Jay Leno
25 May 1992
The Tonight Show Starring Johnny Carson
01 Oct 1962
St. Elsewhere
26 Oct 1982
Chicago Hope
18 Sept 1994
Laverne & Shirley
27 Jan 1976
Laverne & Shirley
27 Jan 1976