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.
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.
Known for
NCIS: Origins
NCISverse: The First 1,000
Joe Montana: Cool Under Pressure
The Kelly Clarkson Show
The Wild
All or Nothing: The Michigan Wolverines
The American West
The Late Late Show with James Corden
NCIS: New Orleans
The Arsenio Hall Show
Certain Prey
Justice League: Crisis on Two Earths
Weather Girl
The Bonnie Hunt Show
Chasing Liberty
NCIS
Freaky Friday
Jimmy Kimmel Live!
Local Boys
The Legend of Tarzan
I'll Remember April
And Never Let Her Go
Crossfire Trail
The Amati Girls
Boston Public
For All Time
The West Wing
Family Guy
Fear and Loathing in Las Vegas
From the Earth to the Moon
The View
Casualties
The First to Go
The Rosie O'Donnell Show
JAG
Charlie Grace
The Last Supper
Magic in the Water
Original Sins
Chicago Hope
Natural Born Killers
Wyatt Earp
Harts of the West
Cold Heaven
The Tonight Show with Jay Leno
Reasonable Doubts
Till There Was You
Shadow of a Doubt
Fourth Story
Dillinger
Worth Winning
Sweet Bird of Youth
Stealing Home
The Presidio
After the Promise
Dear America: Letters Home from Vietnam
Summer School
Let's Get Harry
The Deliberate Stranger
Prince of Bel Air
Moonlighting
Tuareg: Desert Warrior
Intimate Agony
St. Elsewhere
Goliath Awaits
Entertainment Tonight
Flamingo Road
The Dream Merchants
240-Robert
Beyond the Poseidon Adventure
Comes a Horseman
Centennial
Little Mo
Getting Married
Sam
The Love Boat
The Hardy Boys / Nancy Drew Mysteries
All's Fair
Delvecchio
Laverne & Shirley
Saturday Night Live
Police Woman
Sonic Boom
Emergency!
Adam-12
The Tonight Show Starring Johnny Carson
Hallmark Hall of Fame