Alan Foster, a professional American journalist, travels to London to meet with Edgar Allen Poe for an interview. While in London, Alan soon finds himself in the company of Lord Blackwood, and Alan accepts a bet to spend a night in his castle
| Directing | Antonio Margheriti | Director |
| Writing | Bruno Corbucci | Screenplay |
| Writing | Giovanni Grimaldi | Screenplay |
| Production | Giovanni Addessi | Producer |
| Sound | Riz Ortolani | Original Music Composer |
| Editing | Otello Colangeli | Editor |
| Costume & Make-Up | Nicla Palombi | Hairstylist |
| Art | Camillo Del Signore | Set Decoration |
| Costume & Make-Up | Mario Giorsi | Costume Design |
| Camera | Sandro Mancori | Director of Photography |
| Writing | Bruno Corbucci | Story |
| Camera | Guglielmo Mancori | Director of Photography |
| Writing | Giovanni Grimaldi | Story |
| Art | Ottavio Scotti | Production Design |
| Writing | Antonio Margheriti | Screenplay |
| Writing | Giovanni Addessi | Screenplay |
| Production | Furio Addessi | Production Assistant |
| Production | Ennio Di Meo | Production Manager |
| Production | Franco Caruso | Line Producer |
| Costume & Make-Up | Roberto Ranucci | Assistant Costume Designer |
| Costume & Make-Up | Antonietta Maggi | Seamstress |
| Camera | Mario Sbrenna | Camera Operator |
| Camera | Emilio Varriano | Camera Operator |
| Camera | Renato Palmieri | Assistant Camera |
| Camera | Remo Crisanti | Assistant Camera |
| Camera | Mauro Paravano | Still Photographer |
| Sound | Pietro Spadoni | Sound |
| Editing | Giuliana Colangeli | Assistant Editor |
| Crew | Cataldo Galiano | Special Effects |
| Costume & Make-Up | Marisa Tilly | Makeup Artist |
| Costume & Make-Up | Angelo Malantrucco | Assistant Makeup Artist |
| Directing | Ignazio Dolce | First Assistant Director |
| Directing | Eva Koltay | Script Supervisor |
| Production | Dino Di Dionisio | Production Secretary |
| Production | Silvestro De Rossi | Administration |
| Sound | Sandro Occhetti | Sound Mixer |
| Sound | Fausto Ancillai | Sound Mixer |
