Ann Blyth is an American actress who has been active in the entertainment industry since the 1940s. She is best known for her roles in films such as Mildred Pierce (1945), The Great Caruso (1951), and The Miracle Worker (1962). She has also appeared in television shows such as The Twilight Zone and The Love Boat. In addition to her acting career, she has also served as a spokesperson for various charities and organizations.