Cast of Room

Brie Larson portrays Joy 'Ma' Newsome, a young woman who was kidnapped and held captive for years in a small shed, where she raises her son, Jack, before planning their escape.

Jacob Tremblay plays Jack Newsome, the five-year-old son of Joy. Jack lives his entire life in a small shed and experiences the outside world for the first time after their daring escape.

Joan Allen takes on the role of Nancy Newsome, Joy's mother, who supports and helps her daughter and grandson as they adjust to life outside the captivity.

William H. Macy plays Robert Newsome, Joy's father and Jack's grandfather. He struggles with the emotional impact of his daughter's abduction and the subsequent events.

Sean Bridgers portrays Old Nick, the kidnapper who held Joy captive for years. His presence brings tension and danger to the story.

Tom McCamus plays Leo, a kind and supportive friend of Joy's family who helps them during their difficult transition to normal life.

Amanda Brugel takes on the role of Officer Parker, a compassionate police officer who assists Joy and Jack after their escape.

Joe Pingue plays Officer Grabowski, a fellow police officer who aids in the investigation and provides support to the main characters.