Giant, the Olivier-winning play from Mark Rosenblatt, has set its opening night for March 23, 2026 at the Music Box Theatre on Broadway and announced additional cast. As previously reported, the limited 16-week engagement begins performances on March 11, with two-time Tony winner John Lithgow reprising his Olivier-winning role as the children's book author Roald Dahl. Joining Lithgow in reprising their roles from th…