John Pankow
​From Wikipedia, the free encyclopedia John Pankow (born April 28, 1954) is an American film and stage actor. He is perhaps best known for a supporting role on the sitcom Mad About You (1993-1999). Description above from the Wikipedia article John Pankow, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Law & Order
Law & Order: Special Victims Unit
Law & Order: Criminal Intent
Lucifer
Elementary
Chicago P.D.
The Good Wife
Without a Trace
Great Performances
Miami Vice
Madam Secretary
Mad About You
Duckman
Law & Order: LA
Ally McBeal
Episodes
Spenser: For Hire
Aaahh!!! Real Monsters
The Days and Nights of Molly Dodd
Rambo: First Blood Part II
Mad About You
Leg Work
Morning Glory
Bride Wars
To Live and Die in L.A.
*batteries not included
The Hunger
The Object of My Affection
Monkey Shines
The Secret of My Success