Mark Harmon

Mark Harmon

Actor (b. 1951)
5
Movies
72.5%
Avg ThumbScore
Fantasy
Top Genre

Frequent Collaborators

Lindsay Lohan (2)Jamie Lee Curtis (2)Chad Michael Murray (2)Harold Gould (1)Stephen Tobolowsky (1)
i How is this score calculated?

The ThumbScore for Mark Harmon (72.5%) is the average audience approval rating across 5 films. Each movie's ThumbScore represents the percentage of real audiences who rated it positively. A higher score means more of Mark's films are well-received by everyday viewers.

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.

Born 1951-09-02 in Burbank, California, USA.

On ThumbScore, Mark Harmon appears in 5 films with an average audience score of 72.5%, most frequently in the Fantasy genre.

Sources: TMDB

Filmography & Ratings

Freaky Friday
Freaky Friday
2003
👍 82%
Freakier Friday
Freakier Friday
2025
👍 79%
Wyatt Earp
Wyatt Earp
1994
👍 73%
Justice League: Crisis on Two Earths
Justice League: Crisis on Two Earths
2010
👍 63%
Chasing Liberty
Chasing Liberty
2004
👍 61%
💬 Feedback