Patty Duke won the Oscar for Best Actress in a Supporting Role for portraying Helen Keller in The Miracle Worker(1962).
Anne Bancroft won the Oscar for Best Actress in a Leading Role for portraying Anne Sullivan.
She won an Oscar in 1955 for her book The Story of Her Life.
Helen Keller in Her Story won the Oscar for Documentary - Feature - in 1955.
Yul Brynner won the Academy Award (Oscar) for portraying King Mongkut of Siam in The King and I (1956)
She won the 1962 Best Supporting Actress award for her performance as young Helen Keller in "The Miracle Worker."
Actress Maggie Smith won an Oscar as Best Supporting Actress for playing an actress who's nominated for an Oscar but doesn't win in California Suite (1978).
Helen Mirren
"The Miracle Worker," released in 1962, won two Academy Awards. Anne Bancroft received the Oscar for Best Actress for her portrayal of Helen Keller's teacher, Annie Sullivan, and Patty Duke won Best Supporting Actress for her role as Helen Keller. The film is celebrated for its powerful performances and poignant storytelling.
As Good As It Gets
Helen Hunt Won the Oscar for Best Actress in a Leading Role for: As Good as It Gets (1997)
Helen Hayes won the Oscar for Best Actress in a Leading Role in 1931.
Helen Hayes won the Oscar for Best Actress in a Supporting Role in 1970.
Helen Hunt won the Oscar for Best Actress in a Leading Role in 1997.