Eleanor Audley
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.
Acting
Movie
Cinderella
as Lady Tremaine (voice)
1950
Movie
Sleeping Beauty
as Maleficent (voice)
1959
TV
The Twilight Zone
as Mrs. Whitney
1959
Movie
All That Heaven Allows
as Mrs. Humphrey (uncredited)
1955
TV
I Love Lucy
as Eleanor Spaulding (uncredited)
1951
TV
I Love Lucy
as Female Flower Judge (uncredited)
1951
TV
Perry Mason
as Lois Gilbert
1957
TV
Perry Mason
as Headmistress Lorimer
1957
TV
The Beverly Hillbillies
1962
TV
The Beverly Hillbillies
as Mrs. Potts
1962
Movie
No Way Out
as Wife (uncredited)
1950
TV
The Dick Van Dyke Show
as Mrs. Billings
1961
TV
The Dick Van Dyke Show
as Partygoer
1961
TV
Green Acres
1965
TV
Green Acres
as Mother
1965
TV
The Big Valley
as Mother Callahan
1965
Movie
A Summer Place
as Waiting Guest at Molly's College (uncredited)
1959
TV
Mister Ed
1961
TV
The Lucy Show
as Columnist
1962
Movie
The Unsinkable Molly Brown
as Mrs. Cartwright (uncredited)
1964
Movie
The FBI Story
as Mrs. King - Graham's Mother (uncredited)
1959
TV
Have Gun, Will Travel
1957
TV
Have Gun, Will Travel
as Cynthia
1957
TV
Have Gun, Will Travel
as Teacher
1957