Paul Benedict
Paul Benedict (September 17, 1938 – December 1, 2008) was an American actor who made numerous appearances in television and movies beginning in the 1960s. He was known for his roles as The Number Painter on the popular PBS children's show Sesame Street, and as the quirky English neighbor "Harry Bentley" on the CBS sitcom The Jeffersons. Often mistakenly credited as Charlie Bucket's school teacher (the uncredited role of Mr. Turkentine), in the cult classic Willy Wonka & The Chocolate Factory, who was actually played by David Battley. Description above from the Wikipedia article Paul Benedict, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Seinfeld
Murder, She Wrote
Sesame Street
The Drew Carey Show
The Twilight Zone
Tales from the Crypt
All in the Family
Kojak
A Different World
The Jeffersons
The Devil's Advocate
The Goodbye Girl
The Addams Family
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$weepstake$
Mandingo
The Blue and the Gray
Cocktail
After the Sunset
This Is Spinal Tap
Mama Malone
Jeremiah Johnson
The Man with Two Brains
The Freshman
Waiting for Guffman
The Front Page
A Mighty Wind
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NBC Special Treat
Sibling Rivalry
Up the Sandbox
The Chair