 | Barbara Steele als Elisabeth Blackwood |
 | Georges Rivière als Alan Foster |
 | Margrete Robsahm als Julia Allert |
 | Arturo Dominici als Dr. Carmus |
 | Silvano Tranquilli als Edgar Allan Poe |
 | Umberto Raho als Lord Thomas Blackwood |
 | Giovanni Cianfriglia als Herbert the Gardener |
 | Benito Stefanelli als William Blackwood |
 | Sylvia Sorrente als Elsi |
 | Salvo Randone als Lester |
| John Peters |
| Giovanni Grimaldi | Screenplay |
| Antonio Margheriti | Director |
| Otello Colangeli | Editor |
| Leo Lax | Executive Producer |
| Ottavio Scotti | Production Design |
| Riccardo Pallottini | Director of Photography |
| Marco Vicario | Executive Producer |
| Riz Ortolani | Original Music Composer |
| Giovanni Addessi | Producer |
| Franco Belotti | Producer |
| Walter Zarghetta | Producer |
| Enrico Catalucci | Visual Effects |
| Sonny Arden | Makeup Artist |
| Giovanni Grimaldi | Story |
| Bruno Corbucci | Story |
| Bruno Corbucci | Screenplay |
| Ruggero Deodato | First Assistant Director |
| Edgar Allan Poe | Short Story |
