 | Patrick Magee als Prof. Robert Miles |
 | Mimsy Farmer als Jill Trevers |
 | David Warbeck als Inspector Gorley |
 | Al Cliver als Sgt. Wilson |
 | Dagmar Lassander als Lillian Grayson |
 | Bruno Corazzari als Ferguson |
 | Geoffrey Copleston als Inspector Flynn |
 | Daniela Doria als Maureen Grayson |
| Pino Donaggio | Original Music Composer |
| Sergio Salvati | Director of Photography |
| Vincenzo Tomassi | Editor |
| Lucio Fulci | Director |
| Lucio Fulci | Screenplay |
| Biagio Proietti | Story |
| Biagio Proietti | Screenplay |
| Giulio Sbarigia | Producer |
| Harry Alan Towers | Associate Producer |
| Pino Donaggio | Music |
| Franco Calabrese | Production Design |
| Massimo Antonello Geleng | Art Direction |
| Massimo Lentini | Costume Design |
| Maria Pia Crapanzano | Hair Setup |
| Franco Di Girolamo | Makeup Artist |
| Rosario Prestopino | Assistant Makeup Artist |
| Renato Angiolini | Production Executive |
| Antonio Da Padova | Unit Manager |
| Ennio Onorati | Production Manager |
| Tommaso Pantano | Unit Manager |
| David Del Bufalo | Assistant Director |
| Roberto Giandalia | Second Unit Director |
| Victor Tourjansky | Assistant Director |
| Alfredo D'Angelo | Art Department Assistant |
| Fernando Caso | Sound Effects |
| Ugo Celani | Sound |
| Eros Giustini | Boom Operator |
| Alvaro Gramigna | Sound Effects |
| Edmondo Gintili | Foley |
| Paolo Ricci | Special Effects |
| Nazzareno Cardinali | Stunt Coordinator |
| Ennio Brizzolari | Key Grip |
| Franco Bruni | Camera Operator |
| Alfredo Fedeli | Gaffer |
| Roberto Forges Davanzati | Camera Operator |
| Maurizio Lucchini | Assistant Camera |
| Gianfranco Massa | Still Photographer |
| Cristo Verrillo | Electrician |
| Mina Tacconi | Seamstress |
| Rita Antonelli | First Assistant Editor |
| Pietro Tomassi | Assistant Editor |
| Natale Massara | Conductor |
| Daniela Tonti | Continuity |
| Daniela Tonti | Animal Coordinator |
| Adalberto Spadoni | Administration |
| David Ball | Production Assistant |
| Edgar Allan Poe | Short Story |
