Eleanor Audley (née Zellman; November 19, 1905 – November 25, 1991) was an American actress with a distinctive voice and a diverse body of work. Audley was best known for her roles as aristocratic, somewhat villainous matrons. She played Oliver Douglas's mother, Eunice Douglas, on the CBS sitcom Green Acres (1965–1969), and provided Disney animated features with the voices of Lady Tremaine in Cinderella (1950); and Maleficent in Sleeping Beauty (1959). She had roles in live-action films, but was most active in radio programs such as My Favorite Husband and Father Knows Best. Audley's television appearances include those in I Love Lucy, The Dick Van Dyke Show, The Beverly Hillbillies, Mister Ed and My Three Sons.