ROOM Trailer Debut Witness the official ROOM trailer! The film, directed by Lenny Abrahamson (Frank), stars Brie Larson, Joan Allen, Jacob Tremblay, and William H. Macy. ROOM will be released in theaters on October 16. A modern-day story about the boundless love between mother and child; young Jack knows nothing of the world except for the single room in which he was born and raised.