 | Peter MacNicol als Galen |
 | Caitlin Clarke als Valerian |
 | Ralph Richardson als Ulrich |
 | John Hallam als Tyrian |
 | Peter Eyre als Casiodorus Rex |
 | Albert Salmi als Greil |
 | Sydney Bromley als Hodge |
 | Chloe Salaman als Princess Elspeth |
 | Emrys James als Valerian's Father |
 | Roger Kemp als Horsrik |
 | Ian McDiarmid als Brother Jacopus |
| Ken Shorter als Henchman |
 | Yolande Palfrey als Victim |
| Douglas Cooper als Urlander |
| Jason White als Henchman |
| Deborah Brown | Casting |
| Matthew Robbins | Director |
| Ian Whittaker | Set Decoration |
| Debbie McWilliams | Casting |
| Matthew Robbins | Screenplay |
| Alex North | Original Music Composer |
| Hal Barwood | Screenplay |
| Tony Lawson | Editor |
| Hal Barwood | Producer |
| Derek Vanlint | Director of Photography |
| Alan Cassie | Art Direction |
| Howard W. Koch | Executive Producer |
| Anthony Mendleson | Costume Design |
| Paul Huston | Visual Effects |
| Phil Tippett | Visual Effects |
| Dennis Muren | Visual Effects Supervisor |
| Walter Murch | Sound Recordist |
| Renee Heimer | Wardrobe Assistant |
| Laurie Ridley | Still Photographer |
| Elliot Scott | Production Design |
| Eric Rattray | Associate Producer |
| Graham Freeborn | Makeup Artist |
| Jane Royle | Makeup Artist |
| Bobbie Smith | Hair Designer |
| Barbara Ritchie | Hair Designer |
| Nick Dudman | Makeup Artist |
| Donald Toms | Unit Production Manager |
| Vic Armstrong | Stunts |
| Tony Smart | Stunts |
| Peter Diamond | Stunts |
| Terry Walsh | Stunt Coordinator |
