Person

Mark Harmon

15 credits in the catalogue: acting, production.

On the wikisNCIS Database

Acting

Comes a Horseman1978Billy Joe Meynert
Flamingo Road1981Fielding Carlyle
St. Elsewhere1982Dr. Robert Caldwell
The Deliberate Stranger1986Ted Bundy
Dear America: Letters Home from Vietnam1987(voice)
Summer School1987Freddy Shoop
Natural Born Killers1994Mickey Knox in TV
Chicago Hope1994Dr. Jack McNeil
Wyatt Earp1994Sheriff Johnny Behan
Fear and Loathing in Las Vegas1998Magazine Reporter
NCIS2003Special Agent Leroy Jethro Gibbs
Freaky Friday2003Ryan
Chasing Liberty2004James Foster
Justice League: Crisis on Two Earths2010Superman (voice)

Production

NCIS2003Executive Producer