Ann Blyth is an American actress and singer who has appeared in many films throughout her career. She is best known for her roles in Mildred Pierce (1945), The Great Caruso (1951) and The Miracle Worker (1962). She was nominated for an Academy Award for Best Supporting Actress for her performance in Mildred Pierce. She also received a Golden Globe nomination for her performance in The Great Caruso. ANN Blyth has had a long and successful career in film, television and stage.