"Green Room" is a 2015 horror-thriller film directed by Jeremy Saulnier. The story follows a punk rock band that becomes trapped in a remote venue after witnessing a violent crime. They must fight for their survival against a group of dangerous individuals. The film stars Anton Yelchin, Imogen Poots, and Patrick Stewart. It explores themes of violence, desperation, and the struggle for power. "Green Room" received critical acclaim for its intense atmosphere and strong performances, particularly from Stewart, who plays a menacing antagonist.