Mark Harmon
Acting
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.
Justice League: Crisis on Two Earths
as Superman (voice)
Age 58 (now 74)
Fear and Loathing in Las Vegas
as Magazine Reporter
Age 46 (now 74)
Justice League: Crisis on Two Earths
as Superman (voice)
Age 58 (now 74)
Fear and Loathing in Las Vegas
as Magazine Reporter
Age 46 (now 74)
Dear America: Letters Home from Vietnam
as (voice)
Age 36 (now 74)
Beyond the Poseidon Adventure
as Larry Simpson
Age 27 (now 74)
Eleanor and Franklin: The White House Years
as Robert Dunlap
Age 25 (now 74)
NCIS: Origins
as Older Leroy Jethro Gibbs (voice) (uncredited)
Age 73 (now 74)
Joe Montana: Cool Under Pressure
as Self - Narrator (voice)
Age 70 (now 74)
All or Nothing: The Michigan Wolverines
as Narrator (voice)
Age 66 (now 74)
The Late Show with Stephen Colbert
as Self - Guest
Age 64 (now 74)
The Late Late Show with James Corden
as Self
Age 63 (now 74)
From the Earth to the Moon
as Wally Schirra
Age 46 (now 74)
The Hardy Boys / Nancy Drew Mysteries
The Tonight Show Starring Johnny Carson
as Self
Age 11 (now 74)
Gathering insights...
Also Known As
Thomas Mark Harmon
IMDB
nm0001319