Acting
Billie Mae Richards (née Dinsmore, November 21, 1921 – September 10, 2010) was a Canadian actress, voice actress and singer who also appeared onstage and on television. She was the voice of Rankin/Bass' version of the Christmas character Rudolph the Red-Nosed Reindeer from 1964 to 1979, and of the Kid in the radio series Jake and the Kid.
[biography (excerpted) from Wikipedia]
Rudolph's Shiny New Year
1977

Shadow Builder
as Mrs. Butterman

The Call of the Wild

Care Bears Movie II: A New Generation
as Tender Heart Bear (voice)

The Care Bears Movie
as Tender Heart Bear / Mrs. Cherrywood (voice)

The Trolls and the Christmas Express
as Other Voices (voice)

Rudolph and Frosty's Christmas in July
as Rudolph (voice)

Rudolph's Shiny New Year
as Rudolph (voice)

Jack O'Lantern
as (voice)

A Christmas Tree

The Daydreamer
as Various (voice)

The Hidden Room
as Nonnie · 1 ep.

War of the Worlds
as Matron · 1 ep.

The Care Bears
as Bright Heart Raccoon (voice) · 98 ep.

The Smokey Bear Show
as Cub Smokey (voice) · 51 ep.

Spider-Man
as Paperboy (voice) (uncredited) · 77 ep.

The King Kong Show
as Bobby Bond (voice) · 73 ep.