Mark Harmon

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 ...

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also starring Mark Harmon
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Getting Married

As Howie Lesser

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Fear and Loathing in Las Vegas

As Magazine Reporter

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Freaky Friday

As Ryan

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Original Sins

As Johnathan Franye

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Justice League: Crisis on Two Earths

As Clark Kent / Superman (voice)

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Beyond the Poseidon Adventure

As Larry Simpson

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The Presidio

As Jay Austin

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Magic in the Water

As Jack Black

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Wyatt Earp

As Sheriff Johnny Behan

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Worth Winning

As Taylor Worth

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Stealing Home

As Billy Wyatt

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The Last Supper

As Dominant Male

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Crossfire Trail

As Bruce Barkow

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Comes a Horseman

As Billy Joe Meynert

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Summer School

As Mr. Freddy Shoop

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Dear America: Letters Home from Vietnam

As (voice)

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Local Boys

As Jim Wesley

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Weather Girl

As Dale

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Sweet Bird of Youth

As Chance Wayne

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The Deliberate Stranger

As Ted Bundy

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After the Promise

As Elmer Jackson

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Certain Prey

As Lucas Davenport

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Tuareg: Desert Warrior

As Gacel Sayah

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And Never Let Her Go

As Thomas Capano

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Cold Heaven

As Alex Davenport

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Prince of Bel Air

As Robin Prince

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For All Time

As Charles Lattimer

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Intimate Agony

As Tommy

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Shadow of a Doubt

As Charles Spencer

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Dillinger

As John Dillinger

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Eleanor and Franklin: The White House Years

As Robert Dunlap

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Long Road Home

As Ertie Robertson

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Casualties

As Tommy Nance

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Till There Was You

As Frank Flynn

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Let's Get Harry

As Harry

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Flamingo Road

As Fielding Carlyle

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Fourth Story

As David Shepard

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Little Mo

As Norman Brinker

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NCISverse: The First 1,000

As Self

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Freakier Friday

As Ryan

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Natural Born Killers

As Mickey Knox in TV

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The First to Go

As Jeremy Hampton

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Sonic Boom

As Student Controller

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The Wild

As Self

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I'll Remember April

As John Cooper

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Chasing Liberty

As James Foster

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The Amati Girls

As Lawrence

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Intimate Portrait: Pam Dawber

As Self

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St. Elsewhere

As Robert Caldwell

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The Tony Danza Show

As Self

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Jimmy Kimmel Live!

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The Rosie O'Donnell Show

As Self

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The Love Boat

As Doug Bradbury

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The Legend of Tarzan

As Bob Markham (voice)

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Moonlighting

As Sam Crawford

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Flamingo Road

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The View

As Self

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240-Robert

As Thib Thibideaux

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The Tonight Show with Jay Leno

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The Hardy Boys / Nancy Drew Mysteries

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From the Earth to the Moon

As Wally Schirra

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Laverne & Shirley

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All's Fair

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NCIS

As Leroy Jethro Gibbs

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Emergency!

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JAG

As Leroy Jethro Gibbs

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Centennial

As Captain John McIntosh

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Hallmark Hall of Fame

As Charles

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Chicago Hope

As Jack McNeil

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Police Woman

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Reasonable Doubts

As Det. Dicky Cobb

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Sam

As Mike Breen

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Harts of the West

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Charlie Grace

As Charlie Grace

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Ozzie's Girls

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The Dream Merchants

As Johnny Edge

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Saturday Night Live

As Self - Host

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The Bonnie Hunt Show

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The West Wing

As Simon Donovan

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The Late Late Show with James Corden

As Self

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Adam-12

As Officer Gus Corbin

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Goliath Awaits

As Peter Cabot

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The American West

As Self

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The Kelly Clarkson Show

As Self

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The Tonight Show Starring Johnny Carson

As Self

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All or Nothing: The Michigan Wolverines

As Narrator (voice)

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NCIS: New Orleans

As Leroy Jethro Gibbs

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The Arsenio Hall Show

As Self

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Entertainment Tonight

As Self

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Delvecchio

As Ronnie Striker

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Family Guy

As Leroy Jethro Gibbs (voice)

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And Never Let Her Go

As Thomas Capano

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Joe Montana: Cool Under Pressure

As Narrator (voice)

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The Megan Mullally Show

As Self - Guest

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Golden Globe Awards

As Self - Nominee

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NCIS: Origins

As Older Leroy Jethro Gibbs (uncredited)