Obro the muscleman goes to Atlantis and sinks a death-ray king who knows the secret of immortality.
| Camera | Oberdan Troiani | Director of Photography |
| Editing | Franco Fraticelli | Editor |
| Writing | Oreste Palella | Screenplay |
| Writing | Emimmo Salvi | Dialogue |
| Writing | Umberto Scarpelli | Dialogue |
| Writing | Emimmo Salvi | Screenplay |
| Sound | Armando Trovajoli | Original Music Composer |
| Writing | Gino Stafford | Screenplay |
| Directing | Umberto Scarpelli | Director |
| Production | Emimmo Salvi | Producer |
| Writing | Sabatino Ciuffini | Screenplay |
| Writing | Ambrogio Molteni | Screenplay |
| Art | Giorgio Giovannini | Production Design |
| Production | Decio Salvi | Executive Producer |
