Thomas Mark Harmon (born September 2, 1951) is an American actor, writer, producer, television director and former football player.

He also starred in such films as Summer School, Prince of Bel Air, Stealing Home, Wyatt Earp, Fear and Loathing in Las Vegas, 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,[1] receiving an Emmy Award nomination for the role.

[2][3] Harmon's character of NCIS special agent Leroy Jethro Gibbs was introduced in a guest starring role in two episodes of JAG.

His parents were Heisman Trophy-winning football player and broadcaster Tom Harmon and actress, model, and artist Elyse Knox (née Elsie Lillian Kornbrath).

[13][14] During his first game, his UCLA team produced a stunning upset of the two-time defending national champion Nebraska Cornhuskers.

[5][15][16] The Bruins were an eighteen-point home underdog to the top-ranked Huskers but won 20–17 on a late field goal by Efren Herrera at L.A.

Before this, Harmon received an Emmy nomination for Outstanding Supporting Actor in a Miniseries or a Movie for his performance as Robert Dunlap in the television film Eleanor and Franklin: The White House Years.

[25][26] During the mid- to late-1970s, Harmon made guest appearances on TV series, including Laverne & Shirley, Delvecchio, The Hardy Boys/Nancy Drew Mysteries, and had supporting roles in the feature films Comes a Horseman (1978) and Beyond the Poseidon Adventure (1979).

The series centered around the missions of the Los Angeles County Sheriff's Department Emergency Services Detail, but was also short-lived.

[27] In 1980, Harmon gained a regular role in the prime time soap opera Flamingo Road, in which he played Fielding Carlisle, the husband of Morgan Fairchild's character.

Elsewhere in February, he played the lead in the television films Prince of Bel Air, co-starring with Kirstie Alley, and The Deliberate Stranger, in which he portrayed the real-life serial killer Ted Bundy.

[citation needed] Harmon's next regular television role would be as Chicago police detective Dickie Cobb for two seasons (1991–1993) on the NBC series Reasonable Doubts.

In 1993, he appeared in one episode in the role of a rodeo clown on the CBS comedy/western series Harts of the West with future NCIS castmate Sean Murray.

[35] In May 2002, Harmon portrayed Secret Service special agent Simon Donovan on The West Wing in a four-episode story arc.

[36] During his time on the show, he was reunited with three of his former Chicago Hope co-stars, Rocky Carroll, Lauren Holly, and Jayne Brook.

[40][41] As of 2018, Harmon works as a producer for a new CBS series, based on author John Sandford's best-selling Prey novels,[42] which have sold more than 30 million copies worldwide.

Sam's psychiatrist testified that the thirteen-year-old boy depicted his mother as a dragon and complained about her mood swings and how she prevented him from being with his siblings.