Biography
Eleanor Audley (November 19, 1905 – November 25, 1991) was an American actress who was a familiar radio and animation voice, in addition to her TV and film roles. She is best remembered on television as Eunice Douglas on Green Acres and, for many, for providing Disney animated features with their most outstanding and memorable villainess voices, most notably two of the most sinister Disney villainesses, Lady Tremaine and Maleficent.
Description above from the Wikipedia article Bernard Lee, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Cast Credits

Disney's Greatest Villains
Character: Lady Tremaine / Maleficent (voice) (archive footage)
MOVIE • 1977

Hook, Line and Sinker
Character: Mrs. Durham
MOVIE • 1969

Pistols 'n' Petticoats
Character:
TV • 1966

Honey West
Character: Mrs. Carlton Murdock
TV • 1965

O.K. Crackerby
Character:
TV • 1965

Green Acres
Character:
TV • 1965

The Big Valley
Character: Mother Callahan
TV • 1965

I'll Take Sweden
Character: Mrs. Dow
MOVIE • 1965

The Cara Williams Show
Character:
TV • 1964

Kisses for My President
Character: School Principal Osgood (uncredited)
MOVIE • 1964

The Unsinkable Molly Brown
Character: Mrs. Cartwright (uncredited)
MOVIE • 1964

The Wheeler Dealers
Character: Art Critic (uncredited)
MOVIE • 1963
Bob Hope Presents the Chrysler Theatre
Character:
TV • 1963

The Lucy Show
Character: Columnist
TV • 1962

The Beverly Hillbillies
Character:
TV • 1962

The Beverly Hillbillies
Character: Mrs. Potts
TV • 1962

The Second Time Around
Character: Mrs. Trask
MOVIE • 1961

The Dick Van Dyke Show
Character: Mrs. Billings
TV • 1961

The Dick Van Dyke Show
Character: Partygoer
TV • 1961

Hazel
Character:
TV • 1961