 | Clive Owen als Arthur |
 | Ioan Gruffudd als Lancelot |
 | Keira Knightley als Guinevere |
 | Mads Mikkelsen als Tristan |
 | Joel Edgerton als Gawain |
 | Hugh Dancy als Galahad |
 | Ray Winstone als Bors |
 | Stephen Dillane als Merlin |
 | Ray Stevenson als Dagonet |
 | Til Schweiger als Cynric |
 | Stellan Skarsgård als Cerdic |
 | Sean Gilder als Jols |
 | Ken Stott als Marius Honorius |
 | Charlie Creed-Miles als Ganis |
 | David Murray als Merlin's Lieutenant |
 | Ned Dennehy als Mental Monk |
 | Phelim Drew als Obnoxius Monk |
 | Des Braiden als Third Monk |
 | Bosco Hogan als Bishop Decoy |
 | David Wilmot als Woad Killed by Lancelot |
 | Lochlann O'Mearáin als Roman Commander |
 | Ivano Marescotti als Bishop Germanus |
 | Clive Russell als Lancelot's Father |
 | Graham McTavish als Roman Officer |
 | Dessie Gallagher als Mercenary |
| Elliot Henderson-Boyle als Young Lancelot |
 | Owen Teale als Pelagius (uncredited) |
 | Dawn Bradfield als Vanora |
 | Pat Kinevane als Horton |
| Jerry Bruckheimer | Producer |
| Chad Oman | Executive Producer |
| Conrad Buff IV | Editor |
| Antoine Fuqua | Director |
| Jamie Pearson | Editor |
| Mike Stenson | Executive Producer |
| Hans Zimmer | Original Music Composer |
| Slawomir Idziak | Director of Photography |
| Ned Dowd | Executive Producer |
| Michelle Guish | Casting |
| Ronna Kress | Casting |
| Penny Rose | Costume Design |
| Paul Cross | Production Design |
| Peter Batten | First Assistant Camera |
| Amanda Bone | Armorer |
| Stuart Clarke | Scenic Artist |
| Gary Birmingham | Transportation Coordinator |
| Howard Gibbins | Unit Production Manager |
| Jane McNally | Production Manager |
| Ciarán Barry | Camera Operator |
| Dee Corcoran | Key Hair Stylist |
| Jason Keever | Post Production Assistant |
| Carole A. Kenneally | First Assistant Editor |
| Stephen McCarthy | Gaffer |
| Noel Cullen | Rigging Gaffer |
| Steve Cullane | Special Effects Supervisor |
| Mick Fitzgerald | Motion Capture Artist |
| Bruce Moriarty | Associate Producer |
| Russ Bailey | Construction Coordinator |
| Bruce Hendricks | Executive In Charge Of Production |
| Orin Beaton | Boom Operator |
| Dan Weil | Production Design |
| Jana Chovancova | Art Department Coordinator |
| Eileen Buggy | Hairstylist |
| Linda A. Malcor | Researcher |
| Neil Collymore | Sound Re-Recording Mixer |
| Paul Tucker | Associate Producer |
| Olivia Bloch-Lainé | Set Decoration |
| Graeme Bird | Propmaker |
| Casey Levie | Set Production Assistant |
| John Maguire | Video Assist Operator |
| Owen Magee | Assistant Director |
| Matt Johnson | Visual Effects Supervisor |
| Yann Biquand | Art Direction |
| Jenny Oman | Set Decoration Buyer |
| Stefan Baur | Camera Technician |
| Jonathan Hession | Still Photographer |
| Barny Crocker | Loader |
| Neil Corbould | Special Effects Coordinator |
| Anna Rackard | Supervising Art Director |
| Karen Russell | Driver |
| Carlo Antonioni | Stunts |
| Ben Flatter | Visual Effects Coordinator |
| Vince McGahon | Steadicam Operator |
| Colleen Kelsall | Assistant Costume Designer |
| Jean Bourne | Script Supervisor |
| Morgan O'Sullivan | Associate Producer |
| Sharon Bruton | Standby Painter |
| Maire Brennan | Additional Music |
| Graham Mitchell | Carpenter |
| Stanislav Satko | Utility Stunts |
| Sean Cahill | Electrician |
| Maria Collins | Production Coordinator |
| Steve Dent | Stunt Coordinator |
| Kate Bowe | Unit Publicist |
| Kurt Smith | Color Timer |
| Kate Griffin | Production Accountant |
| James Harrison | Sound Effects Editor |
| Dottie Starling | Digital Effects Supervisor |
| Iain Eyre | Sound Editor |
| Ed Colyer | Sound Mixer |
| Lon Bender | Supervising Sound Editor |
| James Seddon | Dolby Consultant |
| Owen Monaghan | Set Designer |
| Mike Valentine | Underwater Camera |
| Warwick Campbell | Sequence Supervisor |
| Selwyn Roberts | Line Producer |
| Ken Crouch | Costume Supervisor |
| Norman Baillie | Prosthetic Supervisor |
| Kieran Dempsey | Best Boy Electric |
| Richard Baker | Digital Compositors |
| Pat Sandston | Associate Producer |
| Maria Cork | Sculptor |
| Tami Goldman | Post Production Supervisor |
| Jez Tucker | Systems Administrators & Support |
| Dougal Cousins | Location Manager |
| Lucy Browne | Makeup Artist |
| Darren Brown | Stand In |
| Eamonn Murphy | Transportation Captain |
| Bob Badami | Music Supervisor |
| Peter J. Devlin | Production Sound Mixer |
| Martin Gabriel | Visual Effects Producer |
| Conor Dennison | Art Direction |
| Louis Joon | Costume Design |
| Gaby Kester | Casting Associate |
| Michael Higham | Music Editor |
| James Flynn | Associate Producer |
| Michael Murphy | Set Dresser |
| Heiko Jörke | Key Grip |
| Howard Halsall | ADR Editor |
| Harry Barnes | Foley Editor |
| Bruce Moriarty | First Assistant Director |
| Jim Boorer | Dolly Grip |
| Ailbhe Lemass | Key Makeup Artist |
| Enda Doherty | Third Assistant Director |
| John Dunne | Grip |
| Lucy Bowring | Costume Coordinator |
| Duncan Malcolm | Title Designer |
| Darrell Warner | Costume Illustrator |
| Peter Hall | Pilot |
| Andy Garner | Prosthetic Makeup Artist |
| Sarah Moore | Ager/Dyer |
| John Marzano | Aerial Camera |
| Karen Richards | Second Assistant Director |
| Frank Moiselle | Local Casting |
| Steve Browell | Assistant Sound Editor |
| Mark Berrow | Musician |
| Colin Ritchie | Supervising Dialogue Editor |
| Steve Farman | Negative Cutter |
| Dorothy McDonnell | Assistant Production Coordinator |
| Vanessa Baker | ADR Voice Casting |
| Christoph Schinko | 3D Animator |
| Chris Burdon | Additional Sound Re-Recording Mixer |
| Courtney Bright | Casting Assistant |
| Bruce Fowler | Orchestrator |
| Steve Schwalbe | Dialogue Editor |
| Terry English | Armorer |
| Alex Joseph | Foley Supervisor |
| Audrey Doyle | Assistant Makeup Artist |
| Alexander Beddow | ADR Recordist |
| Ryan Paul Quayle | Stunt Double |
| Sean Lawrence | Colorist |
| David Brighton | Special Effects Assistant |
| René Adefarasin | Assistant Camera |
| Louise Ben-Nathan | Clapper Loader |
| Eimear Clonan | Assistant Location Manager |
| Mel Churcher | Dialogue Coach |
| Niamh Gale | Location Coordinator |
| Daisy Cummins | Second Second Assistant Director |
| Peter Gleaves | ADR Mixer |
| Liz Byrne | Makeup Trainee |
| Stephen Kirk | Assistant Director Trainee |
| John Conroy | Focus Puller |
| Liz Treacy | Wardrobe Assistant |
| Mark T. Osborne | Additional Colorist |
| Gillian Cody | First Assistant Accountant |
| Christopher Reichel | Digital Intermediate Assistant |
| John Paul LeBon | Location Assistant |
| Brian Dungan | Camera Trainee |
| Rob Pizzey | Digital Colorist |
| Graeme Haughton | Generator Operator |
| Laura McGuirk | Production Runner |
| Ciara McArdle | Costumer |
| Matt Adams | Digital Intermediate Producer |
| Jennifer Griffin | Assistant Accountant |
| Andrea Isaacs | Production Executive |
| Jim Magdaleno | Storyboard Artist |
| Peter Burgis | Foley Artist |
| Cormac O'Maille | Second Assistant Camera |
| Roberta Gorski | Executive Assistant |
| Adrienne Taylor | Sound Assistant |
| Bruce Armstrong | Special Effects Technician |
| Wynn Petersen | Production Secretary |
| Shane Harford | Dressing Prop |
| Nigel Heath | Foley Mixer |
| Sarah Brewerton | Assistant Editor |
| Alastair King | Music Arranger |
| Jeanette Surga | Music Consultant |
| Rich Bokides | Production Assistant |
| Tara Van Zyl | Costume Assistant |
| Richard Fordham | First Assistant Sound Editor |
| Kirk R. Gardner | Second Unit Director |
| David Franzoni | Writer |
| Carla Lewis | Stand In |
| Greg Jeloudov | Stand In |
| Daniel Cooke | Stand In |
| Nuala Moiselle | Casting |
| Frank Moiselle | Casting |
| Eliza Ladensohn | Casting Assistant |
| Kirsty Kinnear | Casting Assistant |
| Brendan Donnison | ADR Voice Casting |
| Stefano Zanola | Stunts |
| Leonard Woodcock | Stunts |
| Peter White | Stunts |
| Reg Wayment | Stunts |
| Marek Toth | Stunts |
| C.C. Smiff | Stunts |
| Walter Siccardi | Stunts |
| John Sheridan | Stunts |
| Dusan Prvy | Stunts |
| Dominic Preece | Stunts |
| Slaven Petrovic | Stunts |
| Hernan Ortiz | Stunts |
| Peter Olgyay | Stunts |
| Steve Old | Stunts |
| Petra Novotná | Stunts |
| Peter Miles | Stunts |
| Ivan Miča | Stunts |
| Ally McClelland | Stunts |
| Mark Mangan | Stunts |
| Bill Littleton | Stunts |
| Stephanie Lelievre | Stunts |
| Norman Kelly | Stunts |
| Roman Jankovič | Stunts |
| Rob Inch | Stunts |
| Ken Doherty | Stunts |
| Valter Di Francesco | Stunts |
| Ricardo Cruz | Stunts |
| Nick Chopping | Stunts |
| Bruce Cain | Stunts |
| Andrea Caccaveri | Stunts |
| Georges Branche | Stunts |
| Eugenio Alonso Yenes | Stunts |
| Kath Pollard | Additional Sound Re-Recording Mixer |
