According to his obituaries he was survived by his brother, James Fiedler and a sister, Mary Dean.
Along with Carole Shelley and Monica Evans, he is one of only 3 actors to appear in both The Odd Couple (1968) and the subsequent television adaptation "The Odd Couple" (1970).
Diagnosed with cancer, he became a patient of the Lillian Booth Actor's Fund Home in Englewood, New Jersey, in November of 2004 and died there the following June.
Father was a beer salesman.
Has the impressive distinction of being the only actor to give voice to his character (Piglet) in all the different animated versions of Winnie the Pooh from Walt Disney, from Winnie the Pooh and the Blustery Day (1968) all the way through to Pooh's Heffalump Movie (2005).
He did the voice of Prince Namor the Sub-Mariner for the Captain America Returns record album.
Known as Johnny Fiedler during his radio days.
Played the same character, Mark Lindner, in the film (A Raisin in the Sun (1961)) and television ("American Playhouse: A Raisin in the Sun (#8.1)" (1989)) production of Lorraine Hansberry's "A Raisin in the Sun."
Portayed Homer on NBC Radio's "The Aldrich Family" (1952-1953).
Provided the voice of "Piglet" for the Pooh series from 1968 with "Winnie the Pooh and the Blustery Day" until shortly before his death. Disney himself heard Fiedler's voice and hand-picked the actor. Ironically, Fiedler died one day after voice specialist Paul Winchell, who voiced the role of Tigger.
Served in the U.S. Navy during WWII.
Used to stage productions in his family garage with neighborhood children.
Was a keen bridge player in real life.