Mark Harmon

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.

Known For: Acting

Born: Burbank, California, USA, 1951-09-02

Died: null

No.	Year	Title	Role	Vote Average
1	1974	Sonic Boom	Student Controller	45
2	1977	Eleanor and Franklin: The White House Years	Robert Dunlap	51
3	1978	Getting Married	Howie Lesser	40
4	1978	Little Mo	Norman Brinker	75
5	1978	Comes a Horseman	Billy Joe Meynert	60
6	1979	Beyond the Poseidon Adventure	Larry Simpson	51
7	1980	Flamingo Road	Fielding Carlyle	0
8	1983	Intimate Agony	Tommy	43
9	1984	Tuareg: Desert Warrior	Gacel Sayah	53
10	1986	Prince of Bel Air	Robin Prince	47
11	1986	The Deliberate Stranger	Ted Bundy	62
12	1986	Let's Get Harry	Harry	62
13	1987	Summer School	Mr. Freddy Shoop	64
14	1987	Dear America: Letters Home from Vietnam	(voice)	71
15	1987	After the Promise	Elmer Jackson	77
16	1988	The Presidio	Jay Austin	59
17	1988	Stealing Home	Billy Wyatt	64
18	1989	Sweet Bird of Youth	Chance Wayne	57
19	1989	Worth Winning	Taylor Worth	52
20	1991	Dillinger	John Dillinger	47
21	1991	Fourth Story	David Shepard	56
22	1991	Long Road Home	Ertie Robertson	53
23	1991	Shadow of a Doubt	Charles Spencer	52
24	1991	Till There Was You	Frank Flynn	33
25	1992	Cold Heaven	Alex Davenport	46
26	1994	Wyatt Earp	Sheriff Johnny Behan	68
27	1994	Natural Born Killers	Mickey Knox in TV	71
28	1995	Original Sins	Johnathan Franye	33
29	1995	Magic in the Water	Jack Black	53
30	1995	The Last Supper	Dominant Male	66
31	1997	The First to Go	Jeremy Hampton	0
32	1997	Casualties	Tommy Nance	66
33	1998	Fear and Loathing in Las Vegas	Magazine Reporter	72
34	1999	I'll Remember April	John Cooper	63
35	2000	For All Time	Charles Lattimer	63
36	2001	The Amati Girls	Lawrence	25
37	2001	Crossfire Trail	Bruce Barkow	63
38	2001	And Never Let Her Go	Thomas Capano	66
39	2002	Intimate Portrait: Pam Dawber	Self	0
40	2002	Local Boys	Jim Wesley	63
41	2003	Freaky Friday	Ryan	65
42	2004	Chasing Liberty	James Foster	62
43	2009	Weather Girl	Dale	56
44	2010	Justice League: Crisis on Two Earths	Superman (voice)	73
45	2011	Certain Prey	Lucas Davenport	48
46	2019	The Wild	Self	70
47	2024	NCISverse: The First 1,000	Self	90
48	2025	Freakier Friday	Ryan	0

No.	Year	Title	Role	Vote Average
1	1944	Golden Globe Awards	Self - Nominee	72
2	1944	Golden Globe Awards	Self	72
3	1951	Hallmark Hall of Fame	Charles	86
4	1962	The Tonight Show Starring Johnny Carson	Self	75
5	1968	Adam-12	Officer Gus Corbin	70
6	1972	Emergency!	Ofcr. Dave Gordon	78
7	1973	Ozzie's Girls		67
8	1974	Police Woman	Stanski	63
9	1974	Police Woman	Paul Donin	63
10	1975	Saturday Night Live	Self - Host	70
11	1976	Laverne & Shirley		73
12	1976	Delvecchio	Ronnie Striker	0
13	1976	All's Fair		70
14	1977	The Hardy Boys / Nancy Drew Mysteries		71
15	1977	The Love Boat	Doug Bradbury	63
16	1978	Sam	Mike Breen	0
17	1978	Centennial	Captain John McIntosh	76
18	1979	240-Robert	Thib Thibideaux	55
19	1980	The Dream Merchants	Johnny Edge	45
20	1981	Flamingo Road		60
21	1981	Entertainment Tonight	Self	43
22	1981	Goliath Awaits	Peter Cabot	68
23	1982	St. Elsewhere	Robert Caldwell	55
24	1985	Moonlighting	Sam Crawford	75
25	1991	Reasonable Doubts	Det. Dicky Cobb	72
26	1992	The Tonight Show with Jay Leno		54
27	1993	Harts of the West		62
28	1994	Chicago Hope	Jack McNeil	72
29	1995	Charlie Grace	Charlie Grace	0
30	1995	JAG	Leroy Jethro Gibbs	73
31	1996	The Rosie O'Donnell Show	Self	35
32	1997	The View	Self	45
33	1998	From the Earth to the Moon	Wally Schirra	81
34	1999	Family Guy	Leroy Jethro Gibbs (voice)	74
35	1999	The West Wing	Simon Donovan	83
36	2001	And Never Let Her Go	Thomas Capano	70
37	2001	The Legend of Tarzan	Bob Markham (voice)	68
38	2003	Jimmy Kimmel Live!		55
39	2003	NCIS	Leroy Jethro Gibbs	76
40	2004	The Tony Danza Show	Self	61
41	2006	The Megan Mullally Show	Self - Guest	42
42	2008	The Bonnie Hunt Show	Self	44
43	2013	The Arsenio Hall Show	Self	57
44	2014	NCIS: New Orleans	Leroy Jethro Gibbs	73
45	2015	The Late Late Show with James Corden	Self	53
46	2016	The American West	Self	66
47	2018	All or Nothing: The Michigan Wolverines	Narrator (voice)	75
48	2019	The Kelly Clarkson Show	Self	65
49	2022	Joe Montana: Cool Under Pressure	Self - Narrator (voice)	65
50	2024	NCIS: Origins	Older Leroy Jethro Gibbs (uncredited)	76

Mark Harmon

Film

Television