Outside of Disney, Felton is best known for providing the original voice of Pearl Slaghoople, Fred Flintstone's antagonistic mother-in-law, on The Flintstones.
- Dumbo (1941) as The Elephant Matriarch/Mrs. Jumbo (uncredited)
- Cinderella (1950) as the Fairy Godmother
- Alice in Wonderland (1951) as the Queen of Hearts
- Lady and the Tramp (1955) as Aunt Sarah
- Sleeping Beauty (1959) as Flora
- Goliath II (1960) as Eloise (uncredited)
- The Jungle Book (1967) as Winifred (posthumous role)