Based on the best-selling novel by Emma Donoghue. Directed by Lenny Abrahamson, and starring Brie Larson, Jacob Tremblay, Joan Allen, William H. ROOM -- Now available on iTunes, Amazon, and DVD/Blu-Ray. (Links below). RELEASE DATE: October 16, 2015. DIRECTOR: Lenny Abrahamson. CAST: Brie Larson, Jacob Tremblay, Joan Allen, William H. Twitter:.