Ms. Benanti, a favorite of audiences and critics, will step into the role on Oct. 23, succeeding Lauren Ambrose, who is leaving to shoot a television show.
Ms. Benanti, like Ms. Ambrose, will play the role seven times a week, opposite Harry Hadden-Paton as Higgins, through Feb. 17. On Tuesday nights, Kerstin Anderson will play Eliza.
https://www.nytimes.com/2018/08/23/theater/laura-benanti-my-fair-lady-broadway.html