No known upcoming appearances. If you know of one, contact me!
Roles
Mark Harmon
The Kelly Clarkson Show
(TV Series 2019)
Self - Actor
The Eighties
(TV Mini-Series 2016)
Mark Harmon
The Late Late Show with James Corden
(TV Series 2015)
Mark Harmon
The Late Show with Stephen Colbert
(TV Series 2015)
Leroy Jethro Gibbs
NCIS: New Orleans
(TV Series 2014)
Deputy Chief Lucas Davenport
Certain Prey
(TV Movie 2011)
Superman
Justice League: Crisis on Two Earths
(2010)
Self / Self - Guest
The Talk
(TV Series 2010)
Dale
Weather Girl
(2009)
Mark Harmon
The Jay Leno Show
(TV Series 2009-2010)
the producers wish to thank
The Heartbreak Kid
(2007)
Mark Harmon
The Late Late Show with Craig Ferguson
(TV Series 2005-2015)
President James Foster
Chasing Liberty
(2004)
Mark Harmon
The Ellen DeGeneres Show
(TV Series 2003)
Ryan
Freaky Friday
(2003)
Leroy Jethro Gibbs / Flashback Annie's Father
NCIS
(TV Series 2003)
Self - Guest
Jimmy Kimmel Live!
(TV Series 2003)
Jim Wesley
Local Boys
(2002)
Bob Markham
The Legend of Tarzan
(TV Series 2001-2003)
Bruce Barkow
Crossfire Trail
(TV Movie 2001)
Charles Lattimer
For All Time
(TV Movie 2000)
director
Boston Public
(TV Series 2000-2004)
Agent Simon Donovan
The West Wing
(TV Series 1999-2006)
Leroy Jethro Gibbs
Family Guy
(TV Series 1999)
Magazine Reporter
Fear and Loathing in Las Vegas
(1998)
Wally Schirra
From the Earth to the Moon
(TV Mini-Series 1998)
Self / Self - Guest
The View
(TV Series 1997)
Mark Harmon
The Daily Show
(TV Series 1996)
Mark Harmon
E! True Hollywood Story
(TV Series 1996)
Mark Harmon
The Rosie O'Donnell Show
(TV Series 1996-2002)
Leroy Jethro Gibbs
JAG
(TV Series 1995-2005)
Dominant Male
The Last Supper
(1995)
Jack Black
Magic in the Water
(1995)
Mickey Knox in Wayne Gale's Reconstruction
Natural Born Killers
(1994)
Dr. Jack McNeil
Chicago Hope
(TV Series 1994-2000)
Sheriff Johnny Behan
Wyatt Earp
(1994)
Self / Self - Guest
Late Show with David Letterman
(TV Series 1993-2015)
Self / Self - Guest
The Tonight Show with Jay Leno
(TV Series 1992-2014)
Self - Guest
Maury
(TV Series 1991)
Alex Davenport
Cold Heaven
(1991)
Taylor Worth
Worth Winning
(1989)
Billy Wyatt
Stealing Home
(1988)
Self / Self - NCIS
Live with Kelly and Ryan
(TV Series 1988)
Jay Austin
The Presidio
(1988)
Elmer Jackson
After the Promise
(TV Movie 1987)
Freddy Shoop
Summer School
(1987)
Mark Harmon
Dear America: Letters Home from Vietnam
(TV Movie 1987)
Ted Bundy
The Deliberate Stranger
(TV Movie 1986)
Harry Burck Jr.
Let's Get Harry
(1986)
Sam Crawford
Moonlighting
(TV Series 1985-1989)
Dr. Robert Caldwell
St. Elsewhere
(TV Series 1982-1988)
Mark Harmon
Late Night with David Letterman
(TV Series 1982-1993)
Peter Cabot
Goliath Awaits
(TV Series 1981)
Self / Self - NCIS
Entertainment Tonight
(TV Series 1981)
Larry Simpson
Beyond the Poseidon Adventure
(1979)
Captain John McIntosh
Centennial
(TV Mini-Series 1978-1979)
Billy Joe Meynert
Comes a Horseman
(1978)
Doug Bradbury / Rick Tucker
The Love Boat
(TV Series 1977-1987)
Chip Garvey
The Hardy Boys/Nancy Drew Mysteries
(TV Series 1977-1979)
Victor
Laverne & Shirley
(TV Series 1976-1983)
performer
Saturday Night Live
(TV Series 1975)
Mark Harmon
Good Morning America
(TV Series 1975)
Stanski / Paul Donin
Police Woman
(TV Series 1974-1978)
Officer Hazelton
Police Story
(TV Series 1973-1987)
Ofcr. Dave Gordon
Emergency!
(TV Series 1972-1979)
Officer Gus Corbin
Adam-12
(TV Series 1968-1975)
Self - Guest / Self
The Tonight Show Starring Johnny Carson
(TV Series 1962-1992)
Self / Self - Guest
Today
(TV Series 1952)
Note: All appearances are determined by automated algorithms. Double-check appearances and convention details with the convention website to ensure you have the most accurate information.
If you're unable to find a person or media, then sadly there are no appearances for them or that in the database.