<P> John Donald Fiedler ( February 3 , 1925 -- June 25 , 2005 ) was an American actor and voice actor who was slight , balding , and bespectacled , with a distinctive , high - pitched voice . His career lasted more than 55 years in stage , film , television and radio . He is best known for five roles : the nervous Juror # 2 in 12 Angry Men ; the voice of Piglet in Disney 's Winnie - the - Pooh productions ; Vinnie , one of Oscar 's poker cronies in the film The Odd Couple ; the government official Mr. Hengist who gets possessed by the spirit of Jack the Ripper on the Star Trek episode `` Wolf in the Fold '' , and Mr. Emil Peterson , the hen - pecked milquetoast on The Bob Newhart Show . </P>
<P> John Donald Fiedler ( February 3 , 1925 -- June 25 , 2005 ) was an American actor and voice actor who was slight , balding , and bespectacled , with a distinctive , high - pitched voice . His career lasted more than 55 years in stage , film , television and radio . He is best known for five roles : the nervous Juror # 2 in 12 Angry Men ; the voice of Piglet in Disney 's Winnie - the - Pooh productions ; Vinnie , one of Oscar 's poker cronies in the film The Odd Couple ; the government official Mr. Hengist who gets possessed by the spirit of Jack the Ripper on the Star Trek episode `` Wolf in the Fold '' , and Mr. Emil Peterson , the hen - pecked milquetoast on The Bob Newhart Show . </P>
who does the voice of piglet in winnie the pooh
who does the voice of piglet in winnie the pooh
John Donald Fiedler
John Donald Fiedler