A man who has been having psychic visions of himself killing naked women soon discovers that it's not himself he's seeing, it's his Siamese twin. (yes, they've been separated) So he travels to Hamburg, where the things he's seen start to come to pass…
| Directing | Alberto De Martino | Director |
| Writing | Massimo De Rita | Story |
| Writing | Alberto De Martino | Story |
| Editing | Russell Lloyd | Editor |
| Production | Roberto Palaggi | Producer |
| Writing | Theodore Apstein | Writer |
| Art | Uberto Bertacca | Art Direction |
| Camera | Romano Albani | Director of Photography |
| Sound | Ennio Morricone | Original Music Composer |
