The Lord of the Rings: The War of the Rohirrim is an upcoming anime fantasy film directed by Kenji Kamiyama from a screenplay by Phoebe Gittins and Arty Papageorgiou, based on the novel The Lord of the Rings by J. R. R. Tolkien.
Produced by New Line Cinema and Warner Bros. Animation, the film is a prequel to Peter Jackson's The Lord of the Rings film trilogy. Starring Brian Cox, Gaia Wise, Luke Pasqualino, Miranda Otto, Laurence Ubong Williams, and Shaun Dooley, The War of the Rohirrim is set 183 years before the events of those films and tells the story of Helm Hammerhand (Cox), a legendary king of Rohan, and his family as they defend their kingdom against an army of Dunlendings.