Warning: Spoilers aheadThe star of the new Hunger Games prequel film has revealed that his mother is “truly livid” that he is responsible for the on-screen death of one of her favourite actors.Tom Blyth plays a teenage Coriolanus Snow in The Hunger Games: The Ballad of Songbirds and Snakes, which was released on Friday (November 17). In the film, Snow poisons Casca Highbottom, played by Peter Dinklage, of whom Blyth’s mother Charlotte is a big fan.Speaking to Entertainment Weekly, Blyth explained that the plot twist caused some awkwardness.“I watched the movie with my mom at the London premiere and she has a bit of a crush on Peter,” Blyth said. “And she turns to me and sits forward in her chair and mouths to me, ‘How dare you?’ She was truly livid.