
Mark Harmon
4 FOLLOWERS • 50 CREDITS • SEP 2, 1951 • 73
Biography
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.
Known For

The Tonight Show Starring Johnny Carson

Saturday Night Live

The Kelly Clarkson Show

Entertainment Tonight

Hallmark Hall of Fame

Family Guy

The Tonight Show with Jay Leno

The West Wing

NCIS: New Orleans

Golden Globe Awards

JAG

Police Woman

Jimmy Kimmel Live!

Emergency!

The Late Late Show with James Corden

The Love Boat

Laverne & Shirley

Adam-12

NCIS: Origins

All's Fair

Harts of the West

Natural Born Killers

The American West

From the Earth to the Moon

Centennial

Fear and Loathing in Las Vegas

Chasing Liberty

Freakier Friday

Wyatt Earp

St. Elsewhere

Chicago Hope

Freaky Friday

Getting Married

Flamingo Road

Justice League: Crisis on Two Earths

Joe Montana: Cool Under Pressure

The Presidio

Reasonable Doubts

Fourth Story

And Never Let Her Go

The Bill Cosby Show

Sam

All or Nothing: The Michigan Wolverines

Summer School

Till There Was You

NCIS
Production Credits
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