David Mackenzie Director, Screenwriter Chris Pine Robert the Bruce Actor Aaron Taylor-Johnson James Douglas Actor Florence Pugh Elizabeth de Burgh Actor Billy Howle Prince of Wales Actor Tony Curran Angus Macdonald Actor Stephen Dillane Edward I Actor James Cosmo Sir Robert VI de Brus Actor Sam Spruell Valence Actor Callan Mulvey Lord John Comyn Actor Bathsheba Doran Screenwriter James MacInnes Screenwriter Mark Bomback Screenwriter David Harrower Screenwriter Gillian Berrie Producer Richard Brown Producer Steve Golin Producer Stan Wlodkowski Executive Producer Barry Ackroyd Cinematographer Jake Roberts Film Editing Grey Dogs Original Music Donald Graham Burt Production Design Laura Donnelly Art Director Marco Anton Restivo Art Director Adam Squires Art Director Judy Farr Set Decoration Jane Petrie Costume Design Kahleen Crawford Casting Francine Maisler Casting