sentences:  Hart's big break came when, as resident juvenile in a summer theater at the Brattle Playhouse in Cambridge, Massachusetts, he played John (the witch boy), the lead role in a new play trying out there, "Dark of the Moon".The Shuberts took it to Broadway (1945), keeping little of the original company except Carol Stone (who played Barbara Allen) and Hart, who went on to win a Theatre World Award for his debut.A Broadway run of 318 performances then led to a national tour and a contract for Hart with Metro Goldwyn Mayer.