Stage, film and television actor John Donald Fiedler excelled at meek or nervous roles and was personally chosen by Walt Disney to play the voice of Piglet in Winnie the Pooh films, and television specials.
| Movie | Cecil B. Demented | 2000 |
| Movie | Simply Irresistible | 1999 |
| Movie | Pecker | 1998 |
| Movie | I Love You, I Love You Not | 1996 |
| Movie | Serial Mom | 1994 |
| Movie | Beyond The Law | 1992 |
| Movie | The Beast of War | 1988 |
| Episode |
George & Leo The Cameo Show |
1997 |
| Episode |
L.A. Law Eli's Gumming |
1993 |
| Episode |
The Golden Girls Love Me Tender |
1989 |
| Episode |
Hart to Hart Harts at High Noon |
1982 |
| Episode |
Cheers The Tortelli Tort |
1982 |
| Episode |
B.J. and the Bear Crackers |
1979 |
| Episode |
Vega$ Demand and Supply |
1979 |
| Episode |
The Ropers Your Money or Your Life |
1979 |
| Episode |
Quincy, M.E. For the Benefit of My Patients |
1979 |
| Episode |
The Rockford Files The Competitive Edge |
1978 |
| Episode |
Fantasy Island Carnival / The Vaudevillians |
1978 |
| Episode |
Quincy, M.E. Matters of Life and Death |
1978 |
| Episode |
Fantasy Island Trouble, My Lovely / The Common Man |
1978 |
| Episode |
Switch Dancer |
1977 |
| Episode |
Alice Mel's Happy Burger |
1977 |
| Episode |
Three's Company Jack Looks for a Job |
1977 |
| Episode |
Alice Vera's Mortician |
1976 |
| Episode |
Dirty Sally The Hanging Of Cyrus Pike |
1974 |
| Episode |
Kolchak: The Night Stalker The Zombie |
1974 |
| Episode |
The Odd Couple The Dog Story |
1974 |
| Episode |
The Streets of San Francisco Mask of Death |
1974 |
| Episode |
McMillan and Wife The Devil You Say |
1973 |
| Episode |
McMillan and Wife Freefall to Terror |
1973 |
| Episode |
The Odd Couple Security Arms |
1972 |
| Episode |
Columbo Blueprint for Murder |
1972 |
| Episode |
Bridget Loves Bernie Bernie's Last Stand |
1972 |
| Episode |
Banacek Project Phoenix |
1972 |
| Episode |
The Bob Newhart Show Come Live with Me |
1972 |
| Episode |
Cannon Pilot |
1971 |
| Episode |
Cannon Flight Plan |
1971 |
| Episode |
Bewitched Three Men and a Witch on a Horse |
1971 |
| Episode |
Bewitched Turn on the Old Charm |
1970 |
| Episode |
Flying High Eye Opener |
1970 |
| Episode |
Get Smart Age Before Duty |
1969 |
| Episode |
Bewitched Darrin the Warlock |
1969 |
| Episode |
Bewitched Daddy Comes to Visit |
1969 |
| Episode |
Bewitched Marriage, Witches' Style |
1969 |
| Episode |
I Spy Suitable for Framing |
1968 |
| Episode |
The Felony Squad Man On Fire |
1968 |
| Episode |
Get Smart Classification: Dead |
1967 |
| Episode |
Bewitched Nobody but a Frog Knows How to Live |
1967 |
| Episode |
Star Trek Wolf in the Fold |
1967 |
| Episode |
That Girl Christmas and the Hard-Luck Kid |
1966 |
| Episode |
Gunsmoke Hammerhead |
1964 |
| Episode |
Destry Deputy For A Day |
1964 |
| Episode |
Perry Mason The Case of the Tragic Trophy |
1964 |
| Episode |
The Fugitive The End Game |
1964 |
| Episode |
The Munsters My Fair Munster |
1964 |
| Episode |
Dr. Kildare Never Too Old For The Circus |
1964 |
| Episode |
My Favorite Martian Man or Amoeba |
1963 |
| Episode |
Alfred Hitchcock Presents The Last Remains |
1962 |
| Episode |
The Twilight Zone Cavender is Coming |
1962 |
| Episode |
Thriller A Wig for Miss Devore |
1962 |
| Episode |
The Alfred Hitchcock Hour I Saw the Whole Thing |
1962 |
| Episode |
The Tall Man A Time To Run |
1962 |
| Episode |
The Many Loves of Dobie Gillis I Didn't Raise My Boy to Be a Solider, Sailor, or Marine |
1961 |
| Episode |
Have Gun, Will Travel The Gold Bar |
1961 |
| Episode |
Checkmate A Slight Touch of Venom |
1961 |
| Episode |
Peter Gunn The Deep End |
1961 |
| Episode |
Pete and Gladys The Fur Coat Story |
1961 |
| Episode |
Dennis the Menace Dennis' Bank Account |
1961 |
| Episode |
Adventures in Paradise Man Eater |
1961 |
| Episode |
Dr. Kildare Shining Image |
1961 |
| Episode |
The Twilight Zone The Night of the Meek |
1960 |
