Eric Bana Uther Pendragon
Charlie Hunnam Arthur
Annabelle Wallis Maggie
Guy Ritchie Director, Producer, Screenplay, Inn Owner (uncredited)
Djimon Hounsou Bedivere
Aidan Gillen William "Goosefat Bill"
Jude Law Vortigern
Akiva Goldsman Producer
Chris Burdon Sound Re-Recording Mixer
Freddie Fox Rubio
Lee Nicholas Harris Dan Clan Mafia (uncredited)
Tom Wu "Kung Fu" George
Peter Ferdinando Earl of Mercia
Millie Brady Catia
Kingsley Ben-Adir Tristan "Wet Stick"
Georgina Campbell Kay
Katie McGrath Elsa
Àstrid Bergès-Frisbey The Mage
Eline Powell Syren 2
Daniel Pemberton Original Music Composer
Neil Maskell Back Lack
Joby Harold Screenplay, Story, Producer
Simon Hayes Production Sound Mixer
David Beckham Trigger
Peter Guinness Baron 1
Michael McElhatton Jack's Eye
Geoff Bell Mischief John
Mikael Persbrandt Greybeard
David Dobkin Story, Executive Producer
Steph Lynn Robinson Stereoscopic Coordinator
Luke Hull Art Direction
Hermione Corfield Syren 3
Luke Scott Stunts
Michael Hadley Mage King
Rebecca Calder Maid 1
Charlie Rawes Axeman
Cristian Knight Stunts
John Mathieson Director of Photography
Mark Umbers Baron 2
Adrian Bouchet Baron 3
Poppy Delevingne Igraine
Jonathan Fawkner Visual Effects Supervisor
Nick Cornwall Clan Head 1 (uncredited)
Lionel Wigram Producer, Screenplay
Karen Elliott Music Supervisor
Lorraine Bruce Syren 1
Max Keene Associate Producer, First Assistant Director
Annabel Wood Stunt Double
Nick Davis VFX Supervisor
Cordelia Bugeja Woman 3
Daniel Stisen SPAC / Londinum Fighter (uncredited)
Chris Lyons Special Effects Makeup Artist
James Warren Mike
Cali Nelle Stunt Double
Gemma Jackson Production Design
Christine Blundell Hair Designer, Makeup Designer
George Kirby Stunts
Craig McGinlay Percival "Percy"
Liz Elizabeth West Script Supervisor
James Collins Art Direction
Josh Evans Matte Painter
Andrew Banwell Other
Michael Byrch Stunts
Alan Stewart Second Unit Director of Photography
Steve Ellingworth Key Grip
Tina Jones Set Decoration
James Herbert Editor, Executive Producer
Dacio Caballero Fighter (uncredited)
Karl Farrer Nobleman (uncredited)
Wil Coban Brother Blackleg
Florence Bell Woman 1
Joel Bryant Londinium Fighter (uncredited)