The journalist Alan Foster makes a bet than he can spend one night at the haunted Blackwood Castle. As he learns, the rumors of ghosts at the castle are indeed true. On All Soul's Eve the ghosts of the castle search for blood to tide them over for another year. In the castle Foster meet and fall in love with Elizabeth Blackwood.
| role | name |
|---|---|
| Alan Foster | Anthony Franciosa |
| Elisabeth Blackwood | Michèle Mercier |
| Edgar Allan Poe | Klaus Kinski |
| Dr. Carmus | Peter Carsten |
| William Perkins | Silvano Tranquilli |
| Julia | Karin Field |
| Herbert | Raf Baldassarre |
| Elsie Perkins | Irina Maleeva |
| Lord Thomas Blackwood | Enrico Osterman |
| Maurice | Marco Bonetti |
| role | name |
|---|---|
| Director | Antonio Margheriti |
| Writer | Bruno Corbucci |
| Writer | Giovanni Grimaldi |
| Writer | Giovanni Addessi |
| Composer | Riz Ortolani |
| Editor | Otello Colangeli |
| Editor | Fima Noveck |
| Production designer | Ottavio Scotti |
