Mark Harmon is an American actor best known in modern times for his starring role as Leroy Jethro Gibbs in the television drama series NCIS.
Harmon was nominated for an Emmy for Outstanding Guest Actor in a Drama Series for The West Wing, and before that for Outstanding Supporting Actor in a Drama Special for the movie Eleanor and Franklin: The White House Years.
He received two consecutive Golden Globe nominations for his work in Reasonable Doubts and also received Golden Globe nominations for Best Performance by an Actor in a Motion Picture Made for TV for After the Promise and for his role as serial killer Ted Bundy in The Deliberate Stranger.
Along with his co-stars in Chicago Hope, Harmon received two SAG Award nominations for ensemble work, and he also directed episodes of the series.
His additional television credits include the mini-series From the Earth to the Moon, the CBS mini-series And Never Let Her Go, the movie Sweet Bird of Youth and the series St. Elsewhere and Moonlighting.
Harmon's feature credits include the upcoming indie film Weather Girl, Freaky Friday, Chasing Liberty, Comes a Horseman, Wyatt Earp, Stealing Home, The Presidio, Summer School, Fear and Loathing in Las Vegas, Natural Born Killers and The Last Supper.
On stage, Harmon appeared in Key Exchange, Wrestlers, The Wager and several productions of Love Letters with his wife, actress Pam Dawber.
Harmon was born and raised in Southern California, where he attended UCLA and quarterbacked the football team to several winning seasons, for which he was awarded the National Collegiate Football Foundation Award for All-Around Excellence. He is a cum laude graduate of UCLA with a degree in communications.
His father, Tom Harmon, was a Heisman Trophy winner and nationally acclaimed broadcaster. His mother is former actress Elyse Knox.