See Brian Cox embody “larger-than-myth” Helm Hammerhand, King of Rohan, in this behind-the-scenes video! #LOTR: The War of the Rohirrim only in theaters December 13. Peter Jackson presents a groundbreaking journey back to Middle-earth through the eyes of legendary director Kenji Kamiyama. New Line Cinema’s original anime feature “The Lord of the Rings: The War of the Rohirrim” returns audiences to the epic world brought to life in “The Lord of the Rings” Trilogy, based on the revered books by J.