2016

(1 episode) as Detective Lennie Brisco

2005

(2 episodes) as Lennie Briscoe

2001		Law & Order: Criminal Intent (1 episode) as Detective Lennie Briscoe
2001		Disney's House of Mouse (7 episodes) as Lumiere (voice)

2000

(53 episodes)

1999		Law & Order: Special Victims Unit (3 episodes) as Detective Lennie Briscoe
1999		Where Are They Now? (1 episode) as Self

1996

(1 episode)

1993		Frasier (1 episode) as Mitch (voice)
1993		Late Night with Conan O'Brien (1 episode) as Self - Guest
1993		Homicide: Life on the Street (3 episodes)

1990

(273 episodes) as Lennie Briscoe (1 episode) as Frank Lehrman

1987		The Law & Harry McGraw (16 episodes) as Harry McGraw
1987		Out on a Limb (1 episode) as Mort Viner

1986

(65 episodes)

1985

(1 episode) as Glen

1984		Tales from the Darkside (1 episode) as Roberts
1984		Murder, She Wrote (6 episodes) as Harry McGraw
1984		Hunter (1 episode) as Sal Scarlatti

1983

(1 episode) as Cameron

1981

(1 episode)

1979		Trapper John, M.D. (1 episode)
1979		Buck Rogers in the 25th Century (1 episode) as Lars Mangros

1973

(2 episodes) as Brubaker

1969		Love, American Style (1 episode)
1969		Medical Center (1 episode)

1968

(1 episode) as Self - Guest

1961		The Mike Douglas Show (1 episode) as Self
1961		The Defenders (1 episode) as J.P. Loring

1956

(1 episode) as Self - Host / Presenter (1 episode) as Self - Nominee / Performer