Jonathan English Director, Screenwriter James Purefoy Marshall Actor Paul Giamatti King John Actor Kate Mara Lady Isabel Actor Brian Cox Albany Actor Derek Jacobi Cornhill Actor Jason Flemyng Beckett Actor Mackenzie Crook Marks Actor Charles Dance Archbishop Langton Actor Jamie Foreman Coteral Actor Vladimir Kulich Tiberius Actor Guy Siner Captain Oaks Actor Erick Kastel Screenwriter Stephen McDool Screenwriter Christian Arnold-Beutel Executive Producer Evan Astrowsky Executive Producer Graham Begg Executive Producer Glenn Kendrick Ackermann Executive Producer Lorne Balfe Original Music David Eggby Cinematographer Peter Amundson Film Editing Gavin Buckley Film Editing Kelly Valentine Hendry Casting Robyn Owen Casting Joseph C. Nemec III Production Design Malcolm Stone Art Director Peter Walpole Set Decoration Beatrix Aruna Pasztor Costume Design Uwe Feuersenger Executive Producer