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' spinof… Read more
Known for Fear and Loathing in Las Vegas 1998 Family Guy 1999 Freaky Friday 2003 Natural Born Killers 1994 Series ★ 8.3 The West Wing 1999
Simon Donovan Series ★ 8 Emergency! 1972
Ofcr. Dave Gordon Series ★ 7.7 Centennial 1978
Captain John McIntosh Series ★ 7.6 Moonlighting 1985
Sam Crawford ★ 7.5 After the Promise 1987
Elmer Jackson ★ 7.3 Justice League: Crisis on Two Earths 2010
Superman (voice) Series ★ 7.2 Chicago Hope 1994
Jack McNeil ★ 7.2 Dear America: Letters Home from Vietnam 1987
(voice) Series ★ 7.1 The Hardy Boys / Nancy Drew Mysteries 1977
Series ★ 7.1 Laverne & Shirley 1976
Series ★ 7.1 Adam-12 1968
Officer Gus Corbin Series ★ 7 The Legend of Tarzan 2001
Bob Markham (voice) ★ 6.5 The Last Supper 1995
Dominant Male ★ 6.4 Crossfire Trail 2001
Bruce Barkow ★ 6.4 Summer School 1987
Freddy Shoop Series ★ 6.4 Police Woman 1974
Stanski ★ 6.3 Stealing Home 1988
Billy Wyatt ★ 6.3 The Deliberate Stranger 1986
Ted Bundy ★ 6.2 Chasing Liberty 2004
James Foster ★ 6.2 Let's Get Harry 1986
Harry Series ★ 6.2 The Love Boat 1977
Doug Bradbury ★ 6.1 Comes a Horseman 1978
Billy Joe Meynert ★ 5.8 The Presidio 1988
Jay Austin ★ 5.7 Weather Girl 2009
Dale Series ★ 5.7 St. Elsewhere 1982
Robert Caldwell ★ 5.3 Magic in the Water 1995
Jack Black Series ★ 5.3 The Tonight Show with Jay Leno 1992
★ 5.3 Worth Winning 1989
Taylor Worth ★ 5 Beyond the Poseidon Adventure 1979
Larry Simpson ★ 4.9 Certain Prey 2011
Lucas Davenport Also behind the camera The films and series they directed.
★ 7.6 Boston Public 2000 ★ 7.2 Chicago Hope 1994 Start from another title 
