Mark Harmon

Mark Harmon

CountryUnited States United States
GenderMale
Birthdaysept. 2, 1951
BiographyThomas Mark Harmon (born September 2, 1951) is an American actor, writer, producer, television director and former football player. He is best known for playing the lead role of Leroy Jethro Gibbs on NCIS.

He has appeared in a wide variety of television roles since the early 1970s, including as Dr. Robert Caldwell on St. Elsewhere, Detective Dicky Cobb on Reasonable Doubts, and Dr. Jack McNeil on Chicago Hope. He also starred in such films as Summer School, Prince of Bel Air, Stealing Home, Wyatt Earp, Fear and Loathing in Las Vegas, Crossfire Trail, Local Boys, Freaky Friday, and Chasing Liberty.

Harmon played Secret Service special agent Simon Donovan in a four-episode story arc in The West Wing in 2002, receiving an Emmy Award nomination for the role. Harmon's character of NCIS Special Agent Leroy Jethro Gibbs was introduced in a guest starring role in two episodes of JAG. From 2003 to 2021, Harmon starred in the spinoff NCIS as the same character.

Biography from the Wikipedia article Mark Harmon. Licensed under CC-BY-SA. Full list of contributors on Wikipedia.

Known For

NCIS
Running

NCIS

as Special Agent Leroy Jethro Gibbs
240-Robert
Ended

240-Robert

as Deputy Dwayne 'Thib' Thibideaux
All or Nothing: The Michigan Wolverines
Ended

All or Nothing: The Michigan Wolverines

as Narrator
Charlie Grace
Ended

Charlie Grace

as Charlie Grace
Chicago Hope
Ended

Chicago Hope

as Dr. Jack McNeil
Flamingo Road
Ended

Flamingo Road

as Fielding Carlyle
Goliath Awaits
Ended

Goliath Awaits

as Peter Cabot
Reasonable Doubts
Ended

Reasonable Doubts

as Det. Dicky Cobb
St. Elsewhere
Ended

St. Elsewhere

as Dr. Robert Caldwell
The Deliberate Stranger
Ended

The Deliberate Stranger

as Ted Bundy

Part of Crew

NCIS
Running

NCIS

as Executive Producer
NCIS: Origins
Running

NCIS: Origins

as Executive Producer
NCIS: New Orleans
Ended

NCIS: New Orleans

as Executive Producer

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