Nazis take over an ancient fortress that contains a mysterious entity that wreaks havoc and death upon them.
| Writing | Michael Mann | Screenplay |
| Directing | Michael Mann | Director |
| Writing | F. Paul Wilson | Novel |
| Visual Effects | Robin Browne | Visual Effects Supervisor |
| Costume & Make-Up | Nick Maley | Makeup Designer |
| Production | Gene Kirkwood | Producer |
| Production | Hawk Koch | Producer |
| Visual Effects | Wally Veevers | Visual Effects Supervisor |
| Editing | Dov Hoenig | Editor |
| Visual Effects | Nick Allder | Special Effects Supervisor |
| Camera | Alex Thomson | Director of Photography |
| Art | John Box | Production Design |
| Costume & Make-Up | Barbara Ritchie | Key Hair Stylist |
| Art | Alan Tomkins | Art Direction |
| Production | Noel Davis | Casting |
| Costume & Make-Up | Anthony Mendleson | Costume Design |
| Production | Bonnie Timmermann | Casting |
| Art | Michael Seirton | Set Decoration |
| Art | Herbert Westbrook | Art Direction |
| Visual Effects | Nick Maley | Creature Design |
| Costume & Make-Up | Beryl Lerman | Makeup Artist |
| Production | Nancy Klopper | Casting |
| Sound | Robin Gregory | Sound Mixer |
| Production | Vicki Deason | Production Assistant |
| Sound | Christopher Franke | Original Music Composer |
| Sound | Edgar Froese | Original Music Composer |
| Sound | Johannes Schmölling | Original Music Composer |
| Costume & Make-Up | Richard Mills | Makeup Artist |
| Editing | Chris Kelly | Associate Editor |
