The Beast Within is a 2024 mystery horror-thriller film directed by Alexander J. Farrell, co-written by Greer Ellison, Alexander J. Farrell, and produced by Merlin Merton, Martin Owen, Karl Hall, Ryan Hamilton and Jack Christian. The film stars Kit Harington, Ashleigh Cummings, James Cosmo, and Caoilinn Springall. It was released on 26 July 2024.