Mark Harmon

Mark Harmon is an American television and film actor currently portraying the leading role of Leroy Gibbs in the hit CBS TV drama NCIS. He has been a part of the show since 2003, when it initially aired. Additional videos and information about him and other cast members of the original and Los Angeles NCIS as well as other merchandise and NCIS souvenirs can be found at NCIS Cast and Leroy Gibbs.

Prior to NCIS Harmon could be seen in shows like The West Wing, Chicago Hope and St. Elsewhere. He could also be seen in movies like Chasing Liberty, Freaky Friday, Magic in the Water, Wyatt Earp and Natural Born Killers. His first acting experiences were on the shows Adam-12 and Emergency! in 1975.

"Season Premiere Tuesday, Sept. 22 8:00 ET/PT" of his current show NCIS on CBS.http://www.cbs.com/primetime/ncis/bio/mark_harmon/bio.php

1. "I like this job - most days I have a chance to make breakfast and take the kids to school or to read 'em a bedtime story. It's almost like a normal life."
2. "I tried to pick up some speech patterns from a couple of different Presidents, but other than that, I just wanted to play the role believable." — Mark Harmon on Chasing Liberty

• Note: The majority of the links in this timeline are to IMDb, which has pop-ups.

• September 2, 1951: Born

• 1981-1982 Flamingo Road

• 1982: St. Elsewhere

• 1987: Moonlighting

• 1987: Summer School

• 1991: Dillinger

• 1991: Reasonable Doubts

• 1994: Wyatt Earp

• 1995: Charlie Grace

• 1996: Chicago Hope

• 1998: From the Earth to the Moon

• 2002: The West Wing

• 2003: NCIS: Naval Criminal Investigative Service