Anna Marie "Patty" Duke Pearce (1946-2016) is best known for her portrayal of identical cousins on the sitcom, The Patty Duke Show as well as Valley of the Dolls, The Miracle Worker, Billie, You'll Like My Mother, My Sweet Charlie, and Call Me Anna, a TV movie about her own life. In 1987, Duke revealed in her biography that she was diagnosed with bipolar disorder in 1982 and in her later years became a mental health advocate. Duke was married 4 times and has 3 children. RIP.
Patty Duke <3 December 14, 1946 – March 29, 2016 Born Anna Marie Duke in Elmhurst, New York, she is best remembered for her dual role as cousins Patty/Cathy Lane in the television show The Patty Duke Show (1963-1966). At the age of 16, Duke won the Oscar for Best Supporting Actress for her portrayal of Helen Keller in the The Miracle Worker (1962).