Acting
Mark Harmon
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Mark Harmon (born September 2, 1951, in Burbank, California) is an American actor, producer and director. The son of football star Tom Harmon and actress Elyse Knox, he played college football at UCLA before turning to acting in the mid-1970s. He became known for St. Elsewhere and Chicago Hope and starred as Leroy Jethro Gibbs on NCIS from 2003 to 2021, a character introduced on JAG, also serving as a producer of the series. He received an Emmy nomination for his recurring role as Secret Service agent Simon Donovan on The West Wing, and his film work includes Summer School, The Presidio, Wyatt Earp and Freaky Friday.
- 86 titles
- 79 Acting
- 5 Production
- 2 Directing
Acting (79)
Magazine Reporter
Leroy Jethro Gibbs (voice)
Ryan
Mickey Knox in TV
Leroy Jethro Gibbs
Sheriff Johnny Behan
Ryan
Superman (voice)
James Foster
Simon Donovan
Leroy Jethro Gibbs
Sam Crawford
Leroy Jethro Gibbs
Jay Austin
Dominant Male
Freddy Shoop
Doug Bradbury
Larry Simpson
Wally Schirra
Bob Markham (voice)
Robert Caldwell
Billy Joe Meynert
Jack McNeil
Victor
Show all (79)
Older Leroy Jethro Gibbs (voice) (uncredited) / Older Leroy Jethro Gibbs
Dale
Billy Wyatt
Ofcr. Dave Gordon
Harry
Officer Gus Corbin
Taylor Worth
Bruce Barkow
Jack Black
Captain John McIntosh
Stanski / Paul Donin
(voice)
Ted Bundy
Lucas Davenport
Elmer Jackson
Alex Davenport
Charles Lattimer
Peter Cabot
Jim Wesley
Robin Prince
Chance Wayne
Narrator (voice)
Field Carlyle
John Cooper
Tommy Nance
Thomas Capano
Gacel Sayah
Charles
David Shepard
Det. Dicky Cobb
Johnathan Franye
Thib Thibideaux
John Dillinger
Student Controller
Frank Flynn
Tommy
Norman Brinker
Ertie Robertson
Mark
Howie Lesser
Lawrence
Johnny Edge
Thomas Capano
Ted Bundy
Charlie Grace
Ronnie Striker
Fielding Carlyle
Mike Breen
Jeremy Hampton
Production (5)
Executive production
Executive production
Executive production
Executive production
Directing (2)
Appearances (6)
Self
Self
Self - Narrator (voice)
Self
Self
