 | Anthony Franciosa als Alan Foster |
 | Michèle Mercier als Elisabeth Blackwood |
 | Klaus Kinski als Edgar Allan Poe |
 | Peter Carsten als Dr. Carmus |
 | Silvano Tranquilli als William Perkins |
 | Karin Field als Julia |
 | Irina Maleeva als Elsie Perkins |
 | Raf Baldassarre als Herbert |
 | Enrico Osterman als Lord Thomas Blackwood |
 | Marco Bonetti als Maurice |
 | Vittorio Fanfoni |
 | Carla Mancini |
| Antonio Margheriti | Director |
| Bruno Corbucci | Screenplay |
| Giovanni Grimaldi | Screenplay |
| Giovanni Addessi | Producer |
| Giovanni Grimaldi | Story |
| Bruno Corbucci | Story |
| Riz Ortolani | Original Music Composer |
| Guglielmo Mancori | Director of Photography |
| Sandro Mancori | Director of Photography |
| Otello Colangeli | Editor |
| Ottavio Scotti | Production Design |
| Camillo Del Signore | Set Decoration |
| Mario Giorsi | Costume Design |
| Nicla Palombi | Hairstylist |
| Antonio Margheriti | Screenplay |
| Giovanni Addessi | Screenplay |
| Furio Addessi | Production Assistant |
| Ennio Di Meo | Production Manager |
| Franco Caruso | Line Producer |
| Roberto Ranucci | Assistant Costume Designer |
| Antonietta Maggi | Seamstress |
| Mario Sbrenna | Camera Operator |
| Emilio Varriano | Camera Operator |
| Renato Palmieri | Assistant Camera |
| Remo Crisanti | Assistant Camera |
| Mauro Paravano | Still Photographer |
| Pietro Spadoni | Sound |
| Giuliana Colangeli | Assistant Editor |
| Cataldo Galiano | Special Effects |
| Marisa Tilly | Makeup Artist |
| Angelo Malantrucco | Assistant Makeup Artist |
| Ignazio Dolce | First Assistant Director |
| Eva Koltay | Script Supervisor |
| Dino Di Dionisio | Production Secretary |
| Silvestro De Rossi | Administration |
| Sandro Occhetti | Sound Mixer |
| Fausto Ancillai | Sound Mixer |
