Anna Marie "Patty" Duke (born December 14, 1946) is an American actress of stage, film and television. She first became famous as a child star, winning an Academy Award for Best Supporting Actress at age 16 for her role in The Miracle Worker, which she had originated on Broadway. She later starred in the sitcom, The Patty Duke Show. She progressed to more mature roles upon playing Neely O'Hara in the 1967 film Valley of the Dolls. She was later elected president of the Screen Actors Guild from 1985 to 1988, succeeding her Patty Duke Show co-star William Schallert.