Filmography
Mark Harmon
The Kelly Clarkson Show
2019 · Self
The Tonight Show Starring Johnny Carson
1962 · Self
Family Guy
1999 · Leroy Jethro Gibbs (voice)
NCIS
2003 · Leroy Jethro Gibbs, Executive Producer
The Late Show with Stephen Colbert
2015 · Self - Guest
Saturday Night Live
1975 · Self - Host
The View
1997 · Self
The Late Late Show with James Corden
2015 · Self
Jimmy Kimmel Live!
2003 · Self
JAG
1995 · Leroy Jethro Gibbs
The West Wing
1999 · Simon Donovan
The Tonight Show with Jay Leno
1992 · Actor
The Love Boat
1977 · Doug Bradbury
Golden Globe Awards
1944 · Self - Nominee, Self
Adam-12
1968 · Officer Gus Corbin
Chicago Hope
1994 · Jack McNeil, Director
NCIS: New Orleans
2014 · Leroy Jethro Gibbs, Executive Producer
St. Elsewhere
1982 · Robert Caldwell
Emergency!
1972 · Ofcr. Dave Gordon
Police Woman
1974 · Stanski, Paul Donin
Laverne & Shirley
1976 · Actor, Victor
Moonlighting
1985 · Sam Crawford
The Tony Danza Show
2004 · Self
NCIS: Origins
2024 · Older Leroy Jethro Gibbs (voice) (uncredited), Older Leroy Jethro Gibbs
The Bonnie Hunt Show
2008 · Self
Entertainment Tonight
1981 · Self
The Megan Mullally Show
2006 · Self - Guest
The Legend of Tarzan
2001 · Bob Markham (voice)
The Arsenio Hall Show
2013 · Self
The Hardy Boys / Nancy Drew Mysteries
1977 · Actor
Steve Harvey
2012 · Self
From the Earth to the Moon
1998 · Wally Schirra
Flamingo Road
1981 · Field Carlyle
Freaky Friday
2003 · Ryan
The Rosie O'Donnell Show
1996 · Self
Reasonable Doubts
1991 · Det. Dicky Cobb
Centennial
1978 · Captain John McIntosh
Fear and Loathing in Las Vegas
1998 · Magazine Reporter
Natural Born Killers
1994 · Mickey Knox in TV
Delvecchio
1976 · Ronnie Striker
Freakier Friday
2025 · Ryan
240-Robert
1979 · Thib Thibideaux
Hallmark Hall of Fame
1951 · Charles
Harts of the West
1993 · Actor
Stand Up to Cancer
2008 · Self
Charlie Grace
1995 · Charlie Grace, Producer
All's Fair
1976 · Actor
The American West
2016 · Self
Strangers
1996 · Mark
Goliath Awaits
1981 · Peter Cabot
Wyatt Earp
1994 · Sheriff Johnny Behan
Justice League: Crisis on Two Earths
2010 · Superman (voice)
The Dream Merchants
1980 · Johnny Edge
Beyond the Poseidon Adventure
1979 · Larry Simpson
Summer School
1987 · Freddy Shoop
The Presidio
1988 · Jay Austin
Joe Montana: Cool Under Pressure
2022 · Self - Narrator (voice)
All or Nothing: The Michigan Wolverines
2018 · Narrator (voice)
Chasing Liberty
2004 · James Foster
The Last Supper
1995 · Dominant Male
Ozzie's Girls
1973 · Actor
The Deliberate Stranger
1986 · Ted Bundy
Let's Get Harry
1986 · Harry
Prince of Bel Air
1986 · Robin Prince
Crossfire Trail
2001 · Bruce Barkow
Cold Heaven
1992 · Alex Davenport
Weather Girl
2009 · Dale
The Deliberate Stranger
1986 · Ted Bundy
And Never Let Her Go
2001 · Thomas Capano
Stealing Home
1988 · Billy Wyatt
Tuareg: Desert Warrior
1984 · Gacel Sayah
Magic in the Water
1995 · Jack Black
Comes a Horseman
1978 · Billy Joe Meynert
Sam
1978 · Mike Breen
Sweet Bird of Youth
1989 · Chance Wayne
Dear America: Letters Home from Vietnam
1987 · (voice)
After the Promise
1987 · Elmer Jackson
Certain Prey
2011 · Lucas Davenport, Executive Producer
Intimate Agony
1983 · Tommy
Casualties
1997 · Tommy Nance
Little Mo
1978 · Norman Brinker
And Never Let Her Go
2001 · Thomas Capano
Local Boys
2002 · Jim Wesley
Eleanor and Franklin: The White House Years
1977 · Robert Dunlap
Fourth Story
1991 · David Shepard
Dillinger
1991 · John Dillinger
For All Time
2000 · Charles Lattimer
NCISverse: The First 1,000
2024 · Self
I'll Remember April
1999 · John Cooper
The Amati Girls
2001 · Lawrence
Shadow of a Doubt
1991 · Charles Spencer
Getting Married
1978 · Howie Lesser
The First to Go
1997 · Jeremy Hampton
Flamingo Road
1980 · Fielding Carlyle
Sonic Boom
1974 · Student Controller
Worth Winning
1989 · Taylor Worth
Till There Was You
1991 · Frank Flynn
Intimate Portrait: Pam Dawber
2002 · Self
Long Road Home
1991 · Ertie Robertson
Original Sins
1995 · Johnathan Franye
The Wild
2019 · Self