 | Chantal Contouri als Kate Davis |
 | Max Phipps als Mr. Hodge |
 | David Hemmings als Dr. Fraser |
 | Henry Silva als Dr. Gauss |
 | Robert Thompson als Sean |
 | Rod Mullinar als Derek |
 | Rosie Sturgess als Lori |
| Walter Pym als Ditcher |
 | Amanda Muggleton als Martha |
| Lulu Pinkus als Nurse |
 | Shirley Cameron als Mrs. Barker |
| Rod Hardy | Director |
| Philip Reid | Editor |
| William Fayman | Executive Producer |
| Vincent Monton | Director of Photography |
| Aphrodite Kondos | Costume Design |
| John Pinkney | Screenplay |
| Jon Dowding | Production Design |
| Jon Dowding | Art Direction |
| Antony I. Ginnane | Producer |
| Brian May | Original Music Composer |
| Barbi Taylor | Associate Producer |
| Jennifer Barty | Production Manager |
| Louis Irving | Camera Operator |
| David Brostoff | Focus Puller |
| Paul Clark | Sound Recordist |
| Tony Holtham | Gaffer |
| Noel Mudie | Key Grip |
| Suzy Wood | Still Photographer |
| Ken Sallows | Assistant Editor |
| Margaret Cardin | Negative Cutter |
| Grant Page | Stunt Coordinator |
| Grant Page | Stunts |
| Tony Shiff | Production Assistant |
