Mark Harmon
Acting
Born 1951-09-02
Burbank, California, USA
101 credits
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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 recurring role as Secret Service special agent Simon Donovan in a four-episode story arc in The West Wing in 2002, for which he received an Emmy Award nomination.
One of his first national TV appearances (other than as an athlete) was in a commercial for Kellogg's Product 19 cereal with his father, Tom Harmon, its longstanding TV spokesman. Thanks to his sister Kristin's in-laws, Ozzie and Harriet Nelson, he landed his first job as an actor in an episode of Ozzie's Girls.
He has been starring in television and film since the mid-1970s, after a career as a collegiate football player with the UCLA Bruins.
He's been married to actress Pam Dawber since 1987 and they have 2 sons. His son, actor Sean Harmon, had a recurring role as a young Leeroy Jethro Gibbs on NCIS.
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Filmography
— top 60 of 101
The Late Show with Stephen Colbert
NCIS
Family Guy
The Tonight Show Starring Johnny Carson
The Kelly Clarkson Show
Saturday Night Live
The West Wing
JAG
The Late Late Show with James Corden
The Love Boat
The View
Jimmy Kimmel Live!
Chicago Hope
Golden Globe Awards
NCIS: New Orleans
The Tonight Show with Jay Leno
Emergency!
St. Elsewhere
Adam-12
Moonlighting
NCIS: Origins
Boston Public
Police Woman
The Tony Danza Show
Laverne & Shirley
Freaky Friday
The Hardy Boys / Nancy Drew Mysteries
The Megan Mullally Show
From the Earth to the Moon
The Legend of Tarzan
Freakier Friday
The Bonnie Hunt Show
Natural Born Killers
Fear and Loathing in Las Vegas
Steve Harvey
Entertainment Tonight
Centennial
Flamingo Road
Reasonable Doubts
Wyatt Earp
Charlie Grace
The Rosie O'Donnell Show
Strangers
The Arsenio Hall Show
Delvecchio
All's Fair
Goliath Awaits
Summer School
Justice League: Crisis on Two Earths
The American West
The Deliberate Stranger
Chasing Liberty
Beyond the Poseidon Adventure
Stealing Home
Local Boys
240-Robert
The Presidio
Harts of the West
Crossfire Trail
Cold Heaven
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