Older Leroy Jethro Gibbs (uncredited)
NCIS: Origins (2024)
Older Leroy Jethro Gibbs (voice) (uncredited)
Narrator (voice)
Joe Montana: Cool Under Pressure (2022)
Self
The Kelly Clarkson Show (2019)
All or Nothing: The Michigan Wolverines (2018)
The American West (2016)
The Late Late Show with James Corden (2015)
Leroy Jethro Gibbs
NCIS: New Orleans (2014)
The Arsenio Hall Show (2013)
The Bonnie Hunt Show (2008)
Self - Guest
The Megan Mullally Show (2006)
The Tony Danza Show (2004)
NCIS (2003)
Jimmy Kimmel Live! (2003)
Bob Markham (voice)
The Legend of Tarzan (2001)
Thomas Capano
And Never Let Her Go (2001)
Simon Donovan
The West Wing (1999)
Leroy Jethro Gibbs (voice)
Family Guy (1999)
Wally Schirra
From the Earth to the Moon (1998)
The View (1997)
The Rosie O'Donnell Show (1996)
JAG (1995)
Charlie Grace
Charlie Grace (1995)
Jack McNeil
Chicago Hope (1994)
Harts of the West (1993)
The Tonight Show with Jay Leno (1992)
Det. Dicky Cobb
Reasonable Doubts (1991)
Sam Crawford
Moonlighting (1985)
Robert Caldwell
A cor obert (1982)
Peter Cabot
Goliath Awaits (1981)
Entertainment Tonight (1981)
Flamingo Road (1981)
Johnny Edge
The Dream Merchants (1980)
Thib Thibideaux
240-Robert (1979)
Captain John McIntosh
Centennial (1978)
Mike Breen
Sam (1978)
Doug Bradbury
The Love Boat (1977)
The Hardy Boys / Nancy Drew Mysteries (1977)
All's Fair (1976)
Ronnie Striker
Delvecchio (1976)
Laverne & Shirley (1976)
Self - Host
Saturday Night Live (1975)
Police Woman (1974)
Stanski
Ozzie's Girls (1973)
Emergency! (1972)
Officer Gus Corbin
Adam-12 (1968)
The Tonight Show Starring Johnny Carson (1962)
Charles
Hallmark Hall of Fame (1951)
Self - Nominee
Golden Globe Awards (1944)
Executive Producer
Director
Boston Public (2000)
Producer