Mark Harmon
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.
Getting Married
(Howie Lesser)
Fear and Loathing in Las Vegas
(Magazine Reporter)
Freaky Friday
(Ryan)
Original Sins
(Johnathan Franye)
Justice League: Crisis on Two Earths
(Clark Kent / Superman (voice))
Beyond the Poseidon Adventure
(Larry Simpson)
The Presidio
(Jay Austin)
Magic in the Water
(Jack Black)
Wyatt Earp
(Sheriff Johnny Behan)
Worth Winning
(Taylor Worth)
Stealing Home
(Billy Wyatt)
The Last Supper
(Dominant Male)
Crossfire Trail
(Bruce Barkow)
Comes a Horseman
(Billy Joe Meynert)
Summer School
(Mr. Freddy Shoop)
Dear America: Letters Home from Vietnam
((voice))
Local Boys
(Jim Wesley)
Weather Girl
(Dale)
Sweet Bird of Youth
(Chance Wayne)
The Deliberate Stranger
(Ted Bundy)
After the Promise
(Elmer Jackson)
Certain Prey
(Lucas Davenport)
Tuareg: Desert Warrior
(Gacel Sayah)
And Never Let Her Go
(Thomas Capano)
Cold Heaven
(Alex Davenport)
Prince of Bel Air
(Robin Prince)
For All Time
(Charles Lattimer)
Intimate Agony
(Tommy)
Shadow of a Doubt
(Charles Spencer)
Dillinger
(John Dillinger)
Eleanor and Franklin: The White House Years
(Robert Dunlap)
Long Road Home
(Ertie Robertson)
Casualties
(Tommy Nance)
Till There Was You
(Frank Flynn)
Let's Get Harry
(Harry)
Flamingo Road
(Fielding Carlyle)
Fourth Story
(David Shepard)
Little Mo
(Norman Brinker)
NCISverse: The First 1,000
(Self)
Freakier Friday
(Ryan)
Natural Born Killers
(Mickey Knox in TV)
The First to Go
(Jeremy Hampton)
Sonic Boom
(Student Controller)
The Wild
(Self)
I'll Remember April
(John Cooper)
Chasing Liberty
(James Foster)
The Amati Girls
(Lawrence)
Intimate Portrait: Pam Dawber
(Self)
St. Elsewhere
(Robert Caldwell)
The Tony Danza Show
(Self)
Jimmy Kimmel Live!
The Rosie O'Donnell Show
(Self)
The Love Boat
(Doug Bradbury)
The Legend of Tarzan
(Bob Markham (voice))
Moonlighting
(Sam Crawford)
Flamingo Road
The View
(Self)
240-Robert
(Thib Thibideaux)
The Tonight Show with Jay Leno
The Hardy Boys / Nancy Drew Mysteries
From the Earth to the Moon
(Wally Schirra)
Laverne & Shirley
All's Fair
NCIS
(Leroy Jethro Gibbs)
Emergency!
JAG
(Leroy Jethro Gibbs)
Centennial
(Captain John McIntosh)
Hallmark Hall of Fame
(Charles)
Chicago Hope
(Jack McNeil)
Police Woman
Reasonable Doubts
(Det. Dicky Cobb)
Sam
(Mike Breen)
Harts of the West
Charlie Grace
(Charlie Grace)
The Dream Merchants
(Johnny Edge)
Ozzie's Girls
The Bonnie Hunt Show
Saturday Night Live
(Self - Host)
The West Wing
(Simon Donovan)
The Late Late Show with James Corden
(Self)
Adam-12
(Officer Gus Corbin)
Goliath Awaits
(Peter Cabot)
The American West
(Self)
Police Woman
(Stanski)
The Kelly Clarkson Show
(Self)
The Tonight Show Starring Johnny Carson
(Self)
All or Nothing: The Michigan Wolverines
(Narrator (voice))
NCIS: New Orleans
(Leroy Jethro Gibbs)
The Arsenio Hall Show
(Self)
Entertainment Tonight
(Self)
Delvecchio
(Ronnie Striker)
Family Guy
(Leroy Jethro Gibbs (voice))
And Never Let Her Go
(Thomas Capano)
Joe Montana: Cool Under Pressure
(Narrator (voice))
The Megan Mullally Show
(Self - Guest)
Golden Globe Awards
(Self - Nominee)
NCIS: Origins
(Older Leroy Jethro Gibbs (uncredited))
NCIS: Origins
(Older Leroy Jethro Gibbs (voice) (uncredited))
Golden Globe Awards
(Self)
