Image: Wikimedia Commons

Mark Harmon

American actor

PersonAge 75humanQ296774

Also known as Thomas Mark Harmon

Born: September 2, 1951
1
Sources
1.Stated in Integrated Authority FileRetrieved 2015-10-17
View statement on Wikidata ↗
Birthplace: Burbank
Citizenship: United States
Occupation: actor
1
Sources
1.Stated in Integrated Authority FileRetrieved 2026-04-20
View statement on Wikidata ↗
, television actor
, film actor
+6 more
Education: University of California, Los Angeles(1972–1974)
, Los Angeles Pierce College(1970–1972)
, Harvard-Westlake School
Spouse: Pam Dawber(since 1987)
Languages spoken, written or signed: English
1
Sources
1.Stated in CONOR.SI
View statement on Wikidata ↗

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

Thomas Mark Harmon 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.

Overview

Life at a glance

Positions, education, employers and awards over time

Spans and dates from Wikidata qualifiers (start/end/point in time). Hover for details; click to open.

Appears in

50 linked to Mark Harmon in Wikidata

Show all 50

Wyatt Earp(1994)
Natural Born Killers(1994)
Reasonable Doubts(1991)
Shadow of a Doubt(1991)
Long Road Home(1991)
Cold Heaven(1991)
Till There Was You(1990)
Sweet Bird of Youth(1989)
Worth Winning(1989)
Stealing Home(1988)
The Presidio(1988)
Dear America: Letters Home from Vietnam(1987)
Summer School(1987)
Prince of Bel Air(1986)
The Deliberate Stranger(1986)
Let's Get Harry(1986)
Tuareg – The Desert Warrior(1984)
St. Elsewhere(1982)
Goliath Awaits(1981)
The Dream Merchants(1980)
Flamingo Road(1980)
Beyond the Poseidon Adventure(1979)
Sam(1978)
Getting Married(1978)
Little Mo(1978)
Comes a Horseman(1978)

Directed

2 linked to Mark Harmon in Wikidata

Performed

4 linked to Mark Harmon in Wikidata

All data

113 statements · 20% with external sources · numbers in brackets are citations

Father: Tom Harmon
Mother: Elyse Knox
Given name: Mark
Thomas
Number of children: 2
Family name: Harmon
Child: Sean Harmon
Member of sports team: UCLA Bruins football(1972–1973) position played on team / speciality: quarterback
Position played on team / speciality: quarterback
Nominations: Primetime Emmy Award for Outstanding Guest Actor in a Drama Series(2002) for work: The West Wing
Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series(1998) for work: Chicago Hope
Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series(1997) for work: Chicago Hope
Sibling: Kristin Nelson
Kelly Harmon
Mass: 83 kg
Residence: Brentwood
Country for sport: United States
Sex or gender: male
2
Sources
1.Stated in BnF authoritiesRetrieved 2015-10-10
2.Stated in Integrated Authority FileRetrieved 2026-07-21
View statement on Wikidata ↗
Sport: American football
Start of work period: 1970
Awards: star on Hollywood Walk of Fame
1
Sources
1.“Mark Harmon”walkoffame.com/mark-harmon/Retrieved 2026-07-19
View statement on Wikidata ↗
Native language: English
Writing language: English
Birth name: Thomas Mark Harmon

On other databases

70 identifiers linking Mark Harmon across the web's reference databases

Data quality

113

statements

20%

externally sourced

Source last edited September 22, 2026. AIDB refreshes this page daily.

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AIDB. (2026). Mark Harmon (Q296774). Retrieved from https://aidb.si/e/mark-harmon-Q296774