Mark Harmon
Profile info
Known forActing
GenderMale
Birthday2 September 1951 (75 years old)
Place of birthBurbank, California, USA
Known credits101
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' spinoff series NCIS: New Orleans. His character of NCIS special agent Leroy Jethro Gibbs was introduced in a guest starring role in two episodes of JAG, and continued on the spinoff show NCIS. He had a rec…
Freakier Friday
2025 · Ryan
NCIS: Origins
2024 · Older Leroy Jethro Gibbs (voice) (uncredited)
NCIS: Origins
2024 · Older Leroy Jethro Gibbs (uncredited)
NCIS: Origins
2024 · Older Leroy Jethro Gibbs
NCIS: Origins
2024 · Executive Producer
NCISverse: The First 1,000
2024 · Self
Joe Montana: Cool Under Pressure
2022 · Self - Narrator (voice)
The Kelly Clarkson Show
2019 · Self
The Wild
2019 · Self
All or Nothing: The Michigan Wolverines
2018 · Narrator (voice)
The American West
2016 · Self
The Late Show with Stephen Colbert
2015 · Self - Guest
The Late Late Show with James Corden
2015 · Self
NCIS: New Orleans
2014 · Leroy Jethro Gibbs
NCIS: New Orleans
2014 · Executive Producer
The Arsenio Hall Show
2013 · Self
Steve Harvey
2012 · Self
Certain Prey
2011 · Lucas Davenport
Certain Prey
2011 · Executive Producer
Justice League: Crisis on Two Earths
2010 · Superman (voice)
Weather Girl
2009 · Dale
The Bonnie Hunt Show
2008 · Self
The Megan Mullally Show
2006 · Self - Guest
The Tony Danza Show
2004 · Self
Chasing Liberty
2004 · James Foster
NCIS
2003 · Leroy Jethro Gibbs
NCIS
2003 · Executive Producer
Freaky Friday
2003 · Ryan
Jimmy Kimmel Live!
2003 · Self
Local Boys
2002 · Jim Wesley
Intimate Portrait: Pam Dawber
2002 · Self
The Legend of Tarzan
2001 · Bob Markham (voice)
And Never Let Her Go
2001 · Thomas Capano
And Never Let Her Go
2001 · Thomas Capano
Crossfire Trail
2001 · Bruce Barkow
The Amati Girls
2001 · Lawrence
Boston Public
2000 · Director
For All Time
2000 · Charles Lattimer
The West Wing
1999 · Simon Donovan
I'll Remember April
1999 · John Cooper
Family Guy
1999 · Leroy Jethro Gibbs (voice)
Fear and Loathing in Las Vegas
1998 · Magazine Reporter
From the Earth to the Moon
1998 · Wally Schirra
The View
1997 · Self
Casualties
1997 · Tommy Nance
The First to Go
1997 · Jeremy Hampton
The Rosie O'Donnell Show
1996 · Self
Strangers
1996 · Mark
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