Heart of the Beast is a 2026 American survival adventure thriller directed by David Ayer and written by Cameron Alexander. The film stars Brad Pitt as James Belmont, a former Special Forces officer, with J.K. Simmons and Anna Lambe in supporting roles. Paramount Pictures released the movie in American theaters on September 25, 2026, with a running time of approximately 101 minutes and a PG-13 rating. The story centers on James and his retired combat dog, Odin, who become stranded in the Alaskan wilderness