A film adaptation , directed by Lenny Abrahamson and written by Donoghue , was made in 2015 . The film stars Brie Larson , Joan Allen , William H. Macy , Sean Bridgers , and Jacob Tremblay . It was shown in the Special Presentations section of the 2015 Toronto International Film Festival , after premiering at Telluride Film Festival . The film began a limited release on October 16 , 2015 , and was released nationwide on November 6 , 2015 , by A24 Films . The film received unanimous critical acclaim and won numerous awards . It received four nominations at the 88th Academy Awards including Best Picture , Best Director , Best Adapted Screenplay and winning Best Actress for Larson . Donoghue herself received honours for her adaptation of her novel , including Best Adapted Screenplay at the 4th Canadian Screen Awards and Best Scriptwriter at the 13th Irish Film & Television Awards
13th Irish Film & Television Awards
13th Irish Film & Television Awards
Room (novel)