Mark Harmon
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
Born
Sep 02, 1951
Burbank, California, USA
Known For
Acting
Movies
48 acting
1 crew
Popularity
2.3
Known For
Freaky Friday
2003
as Ryan
Natural Born Killers
1994
as Mickey Knox in TV
Fear and Loathing in Las Vegas
1998
as Magazine Reporter
Freakier Friday
2025
as Ryan
Wyatt Earp
1994
as Sheriff Johnny Behan
Justice League: Crisis on Two Earths
2010
as Superman (voice)
Chasing Liberty
2004
as James Foster
The Presidio
1988
as Jay Austin
Beyond the Poseidon Adventure
1979
as Larry Simpson
Summer School
1987
as Freddy Shoop
Add to Watchlist
Movie will be added to your watchlist