Directed by
| Kevin Connor | ||
Writing Credits
| Brian Hayles | ... | (screenplay by) |
Cast (in credits order) verified as complete
| Doug McClure | ... | Greg Collinson | |
| Peter Gilmore | ... | Charles Aitken | |
| Shane Rimmer | ... | Captain Daniels | |
| Lea Brodie | ... | Delphine | |
| Michael Gothard | ... | Atmir | |
| Hal Galili | ... | Grogan | |
| John Ratzenberger | ... | Fenn | |
| Derry Power | ... | Jacko | |
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Donald Bisset | ... | Professor Aitken |
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Ashley Knight | ... | Sandy |
| Robert Brown | ... | Briggs | |
| Cyd Charisse | ... | Atsil | |
| Daniel Massey | ... | Atraxon | |
| Rest of cast listed alphabetically: | |||
| Roger Dicken | ... | Atlantean Slave (uncredited) | |
|
|
Barrie Holland | ... | Atlantean (uncredited) |
Produced by
| Jim Brown | ... | executive producer (uncredited) |
| Kevin Connor | ... | producer |
| John Dark | ... | producer |
Music by
| Michael Vickers | ... | (as Mike Vickers) |
Cinematography by
| Alan Hume | ... | director of photography |
Editing by
| Bill Blunden | ||
Casting By
| Allan Foenander | ||
Production Design by
| Elliot Scott | ||
Art Direction by
| Jack Maxsted | ||
Makeup Department
| Joan Carpenter | ... | hairdresser |
| Robin Grantham | ... | chief makeup artist |
Production Management
| Graham Easton | ... | production supervisor |
Second Unit Director or Assistant Director
| Ray Frift | ... | assistant director |
| Mike Higgins | ... | second assistant director (uncredited) |
| Roy P. Stevens | ... | third assistant director (uncredited) |
Art Department
| Alan Cassie | ... | set dresser |
| Bert Hearn | ... | property master (as Bert Hearne) |
| Syd Nightingale | ... | construction manager |
| Bill Beavis | ... | production illustrator (uncredited) |
| Arthur Healey | ... | modeller (uncredited) |
| Wally Hill | ... | props (uncredited) |
Sound Department
| Jim Atkinson | ... | sound editor |
| Ken Barker | ... | sound |
| George Stephenson | ... | sound |
| John Hayward | ... | re-recording mixer (uncredited) |
Special Effects by
| Roger Dicken | ... | monsters |
| George Gibbs | ... | special effects |
| John Richardson | ... | special effects supervisor |
| Terry Adlam | ... | models assistant (uncredited) |
| Dave Chagouri | ... | special effects (uncredited) |
| Mark Meddings | ... | special effects technician (uncredited) |
Visual Effects by
| Cliff Culley | ... | matte effects |
| Charles Staffell | ... | process photography |
| Neil Culley | ... | matte camera operator (uncredited) |
Stunts
| Marc Boyle | ... | stunt arranger (as Mark Boyle) |
| Doug Robinson | ... | stunts (uncredited) |
Camera and Electrical Department
| Derek V. Browne | ... | camera operator (as Derek Browne) |
| Mike Frift | ... | camera assistant |
| Arthur Wooster | ... | second unit camera |
Costume and Wardrobe Department
| Lorna Hillyard | ... | wardrobe |
| Monica Howe | ... | wardrobe |
Editorial Department
| Rita Burgess | ... | assistant editor |
Location Management
| Bryan Coates | ... | location manager |
Script and Continuity Department
| Doreen Soan | ... | continuity |
Additional Crew
| Paul Avellino | ... | liaison: Malta |
| Lorraine Fennell | ... | production assistant (uncredited) |
| Catherine O'Brien | ... | unit publicist (uncredited) |
| Paul Tucker | ... | assistant production accountant (uncredited) |