Born in Burbank, California, USA — Sep 02 1951

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…
Browse acting and crew credits across movies and TV — filter and sort to find specific roles.

Leroy Jethro Gibbs

Leroy Jethro Gibbs (voice)

Leroy Jethro Gibbs

Simon Donovan

Jack McNeil

Doug Bradbury

Ofcr. Dave Gordon

Officer Gus Corbin

Robert Caldwell

Sam Crawford

Leroy Jethro Gibbs

Stanski

Directing


Wally Schirra

Older Leroy Jethro Gibbs (voice) (uncredited)


Bob Markham (voice)

Det. Dicky Cobb

Captain John McIntosh

Ryan

Charlie Grace

Thib Thibideaux

Field Carlyle

Ronnie Striker

Mickey Knox in TV

Ryan

Peter Cabot

Charles

Magazine Reporter


Jay Austin

Sheriff Johnny Behan


Superman (voice)

Mr. Freddy Shoop

Self

Johnny Edge

Self - Narrator (voice)

James Foster

Ted Bundy

Billy Joe Meynert

Larry Simpson

Bruce Barkow

Mike Breen

Harry

Dominant Male

Elmer Jackson

Thomas Capano

Billy Wyatt

Tommy

David Shepard

Dale

(voice)

Chance Wayne

John Dillinger

Robin Prince

Tommy Nance

Narrator (voice)

Self
Robert Dunlap

Fielding Carlyle

Alex Davenport

Jack Black

Jim Wesley

Lucas Davenport

Taylor Worth

Ted Bundy

Student Controller

Charles Spencer

Charles Lattimer

Gacel Sayah

Norman Brinker

Ertie Robertson

Howie Lesser

Self

Johnathan Franye

John Cooper

Lawrence

Jeremy Hampton

Frank Flynn

Thomas Capano
Self