Aleksey Tsitsilin Director, Screenwriter Bella Thorne Gerda Voice Sharlto Copley Orm Voice Sean Bean Arrog Voice Jeff Bennett Troll King Voice JB Blanc Guard Voice Larry Cedar Erik Voice Bill Chott Lukum Voice Isabelle Fuhrman Alfida Voice Roman Nepomnyashchiy Screenwriter Vladimir Nikolaev Screenwriter, Producer Aleksey Zamyslov Screenwriter Timur Bekmambetov Producer Yuriy Moskvin Producer Diana Yurinova Producer