Acting

—

(1 episode) as Leroy Jethro Gibbs (voice)

2022

(6 episodes) as Narrator (voice)

2019

(1 episode) as Self

2018

(8 episodes) as Narrator (voice)

2016

(8 episodes) as Self

2015

(1 episode) as Self

2014

(4 episodes) as Leroy Jethro Gibbs

2013

(1 episode) as Self

2008

(1 episode)

2006

(1 episode)

2004

(1 episode) as Self

2003		NCIS (435 episodes) as Leroy Jethro Gibbs
2003		Jimmy Kimmel Live! (1 episode)

2001		The Legend of Tarzan (1 episode) as Bob Markham (voice)
2001		And Never Let Her Go (2 episodes) as Thomas Capano

1999		The West Wing (3 episodes) as Agent Simon Donovan
1999		Family Guy (1 episode) as Leroy Jethro Gibbs (voice)

1998

(1 episode) as Wally Schirra

1997

(1 episode) as Self

1996

(1 episode) as Self

1995		JAG (2 episodes) as Leroy Jethro Gibbs
1995		Charlie Grace (9 episodes) as Charlie Grace

1994

(96 episodes) as Jack McNeil

1993

(1 episode)

1992

(1 episode)

1991

(44 episodes) as Det. Dicky Cobb

1985

(4 episodes) as Sam Crawford

1982

(70 episodes) as Robert Caldwell

1981		Goliath Awaits (2 episodes) as Peter Cabot
1981		Entertainment Tonight (1 episode) as Self
1981		Flamingo Road (37 episodes)

1980

(3 episodes) as Johnny Edge

1979

(13 episodes) as Thib Thibideaux

1978		Centennial (12 episodes) as Captain John McIntosh
1978		Sam (6 episodes) as Mike Breen

1977		The Love Boat (3 episodes) as Doug Bradbury
1977		The Hardy Boys / Nancy Drew Mysteries (1 episode)

1976		All's Fair (1 episode)
1976		Delvecchio (1 episode) as Ronnie Striker
1976		Laverne & Shirley (2 episodes)

1975

(1 episode) as Self - Host

1974

(1 episode) as Stanski (1 episode)

1973

(1 episode)

1972

(1 episode)

1968

(1 episode) as Officer Gus Corbin

1962

(1 episode) as Self

1951

(1 episode) as Charles

Production

—

(1 episode) … Executive Producer

2014

(139 episodes) … Executive Producer

2003

(32 episodes) … Executive Producer

1995

(6 episodes) … Producer

Directing

2000

(2 episodes) … Director

1994

(2 episodes) … Director