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Acting

Mark Harmon

Birthplace
Burbank, California, USA
Popularity
3.5

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…

Movies
Freaky Friday
Freaky Friday
2003 ⭐ 6.6
as Ryan
 Fear and Loathing in Las Vegas
Fear and Loathing in Las Vegas
1998 ⭐ 7.2
as Magazine Reporter
 Natural Born Killers
Natural Born Killers
1994 ⭐ 7.0
as Mickey Knox in TV
 Freakier Friday
Freakier Friday
2025 ⭐ 6.8
as Ryan
 Cold Heaven
Cold Heaven
1992 ⭐ 4.3
as Alex Davenport
 Local Boys
Local Boys
2002 ⭐ 6.4
as Jim Wesley
 Weather Girl
Weather Girl
2009 ⭐ 5.7
as Dale
 Casualties
Casualties
1997 ⭐ 6.8
as Tommy Nance
 Wyatt Earp
Wyatt Earp
1994 ⭐ 6.8
as Sheriff Johnny Behan
 Justice League: Crisis on Two Earths
Justice League: Crisis on Two Earths
2010 ⭐ 7.3
as Superman (voice)
Web Series & TV Shows
Family Guy
Family Guy
1999 ⭐ 7.4
as Leroy Jethro Gibbs (voice)
 The Love Boat
The Love Boat
1977 ⭐ 6.2
as Doug Bradbury
 The Tonight Show Starring Johnny Carson
The Tonight Show Starring Johnny Carson
1962 ⭐ 7.6
as Self
 NCIS
NCIS
2003 ⭐ 7.6
as Leroy Jethro Gibbs
 The Late Show with Stephen Colbert
The Late Show with Stephen Colbert
2015 ⭐ 6.1
as Self - Guest
 The Kelly Clarkson Show
The Kelly Clarkson Show
2019 ⭐ 6.2
as Self
 Saturday Night Live
Saturday Night Live
1975 ⭐ 6.9
as Self - Host
 The View
The View
1997 ⭐ 4.3
as Self
 The Late Late Show with James Corden
The Late Late Show with James Corden
2015 ⭐ 5.2
as Self
 The West Wing
The West Wing
1999 ⭐ 8.3
as Simon Donovan