Farren Blackburn Director Charlie Bewley Steinar Actor Elliot Cowan Hakan Actor Clive Standen Hagen Actor Michael Jibson Grim Actor Guy Flanagan Jokul Actor Ivan Kaye Ivar Actor Alexandra Dowling Agnes Actor Finlay Robertson Harald Actor Theo Barklem-Biggs Vali Actor Francis Magee Ulric the Chronicler Actor Michael Lindall Saxon Leader Actor Solomon Thomson Wilfred Actor Laura Sibbick Saxon Woman Actor Glynis Barber Astrid Actor James Cosmo King Bagsecg Actor Matthew Read Screenwriter Rupert Preston Producer Huberta Von Liel Producer Allan Niblo Executive Producer James Richardson Executive Producer Nick Love Executive Producer Nigel Williams Executive Producer Jon Bourdillon Executive Producer Stephan Pehrsson Cinematographer Sam Williams Film Editing Ben Smith Production Design Benjamin Wallfisch Original Music Matthew Price Costume Design