Betty Lou Gerson (April 20, 1914 – January 12, 1999) was an American actress, predominantly active in radio, but also in film and television, and as a voice actress. She is best known as the original voice of Cruella de Vil from the Disney animated film, One Hundred and One Dalmatians (1961) for which she was named a Disney Legend in 1996.

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She was an American actress and prolific radio star who is best known as the original voice of Cruella de Vil in the 1961 Disney film 101 Dalmatians.
She is recognized for her extensive voice work in Disney classics like 101 Dalmatians and Cinderella, as well as her roles in films such as The Fly and Mary Poppins.
Yes, she was a highly active radio actress in Chicago and Los Angeles during the Golden Age of Radio, appearing in long-running series like Arnold Grimm's Daughter.