Betty Lou Gerson
Betty Lou Gerson was an American actress, predominantly in radio, but also in film and television, and as a voice actress. She is best known as the voice of Cruella de Vil from the Disney animated film, One Hundred and One Dalmatians for which she was named a Disney Legend in 1996.
Gerson was born in Chattanooga, Tennessee, but raised in Birmingham, Alabama, where her father was an executive with a steel company. She was Jewish. She was educated in private schools in Birmingham and Miami, Florida. At age sixteen, Gerson moved with her family to Chicago, Illinois where she performed in the radio serial The First Nighter Program. She later moved again to New York City, New York.
Source: Wikipedia