According to The Hollywood Reporter, 'Harry Potter and the Cursed Child' will follow a new show format that morphs the original two-part experience into a single-ticket performance.
According to Deadline, McDonald has joined the project as a special guest star. O'Hara, Murphy, Michael Cerveris, Debra Monk, Katie Finneran, Celia Keenan-Bolger and John Douglas Thompson have come on board