Bancroft made her Broadway debut in William Gibson‘s “Two for the Seesaw,” directed by Arthur Penn. The role brought her a Tony as Best Featured Actress in a play (1958). The very next year, she re-teamed with Gibson and Penn for “The Miracle Worker,” for which she won a second Tony (Best Actress in a Play in 1959).
Following the stage success, Bancroft, Penn and Gibson adapted “The Miracle Worker” to the big screen in 1962. Recreating the role of Annie Sullivan, a teacher struggling to help the deaf and blind Helen Keller (Patty Duke) learn to communicate,