 | Alan Ladd als John |
 | Patricia Medina als Linet |
 | André Morell als Sir Ontzlake |
 | Harry Andrews als Earl Of Yeonil |
 | Peter Cushing als Sir Palamides |
 | Anthony Bushell als King Arthur |
 | Laurence Naismith als Major Domo |
 | Patrick Troughton als King Mark |
 | Bill Brandon als Bernard |
 | Ronald Adam als The Abbot |
 | Basil Appleby als Sir Hal |
| Tommy Moore als The Apprentice |
 | Jean Lodge als Queen Guenevere |
 | Pauline Jameson als Lady Yeonil |
 | John Kelly als The Woodchopper |
 | John Laurie als James |
| Olwen Brookes als Lady Ontzlake |
 | David Paltenghi als High Priest |
| Elton Hayes als Minstrel |
| Tay Garnett | Director |
| Bryan Forbes | Dialogue |
| Alec Coppel | Screenplay |
| Dennis O'Keefe | Dialogue |
| John Wilcox | Director of Photography |
| Albert R. Broccoli | Producer |
| Alex Vetchinsky | Art Direction |
| Betty Harley | Script Supervisor |
| Beatrice Dawson | Costume Design |
| Irving Allen | Producer |
| John Addison | Music |
| Gordon Pilkington | Editor |
| Ted Moore | Camera Operator |
| Muir Mathieson | Conductor |
| Leo Maguire | Songs |
| John Box | Assistant Art Director |
| Freddie Williamson | Makeup Artist |
| Gordon Bond | Hairstylist |
| George Brown | Other |
| Joan Bridge | Other |
| John McCorry | Wardrobe Supervisor |
| David Paltenghi | Choreographer |
| Betty Harley | Continuity |
| Phil C. Samuel | Associate Producer |
| Adrian D. Worker | Production Supervisor |
| Phil Shipway | Assistant Director |
| Elton Hayes | Songs |
| Arthur Alcott | Production Supervisor |
| Jean Osborne | Publicist |
| Kenneth J. Withers | Focus Puller |
| Charles Knott | Sound Recordist |
| J.B. Smith | Sound Recordist |
| Arthur Evans | Still Photographer |
| Paul Baxley | Stunt Double |
| Bob Simmons | Stunt Double |
