 | Ian McCulloch als Commander Ian Hubbard |
 | Louise Marleau als Colonel Stella Holmes |
 | Marino Masé als Lieutenant Tony Aris, NYPD |
 | Siegfried Rauch als Hamilton |
 | Gisela Hahn als Perla de la Cruz |
 | Carlo De Mejo als Agent Young |
 | Carlo Monni als Dr. Turner |
 | Mike Morris als Dr. Hilton (uncredited) |
 | Brigitte Wagner als Doctor (uncredited) |
 | Angelo Ragusa als Warehouse Worker (uncredited) |
| Nat Bush als Warehouse Worker (uncredited) |
| Luigi Cozzi | Director |
| Claudio Mancini | Producer |
| Luigi Cozzi | Story |
| Erich Tomek | Screenplay |
| Luigi Cozzi | Screenplay |
| Giuseppe Pinori | Director of Photography |
| Giovanni Corridori | Special Effects |
| Claudio Mazzoli | Creature Design |
| Massimo Antonello Geleng | Production Design |
| Nino Baragli | Editor |
| Ugo Valenti | Associate Producer |
| Tiziana Mancini | Costume Design |
| Karl Spiehs | Executive Producer |
| Agostino Marangolo | Original Music Composer |
| Antonio Marangolo | Original Music Composer |
| Fabio Pignatelli | Original Music Composer |
