sentences:  An Italian DVD of the film includes a PDF of the film with a 12-page treatment titled "Artigli" signed by Lattanzi and Bruna Antonucci, dated January 29, 1987, which Italian film historian Roberto Curti said was "very similar to the finished film" and dismissed Fragasso's and Drudi's claims.The credited director on the film has been unclear, with many crew members stating that the film was actually directed by the producer Aristide Massaccesi (Joe D'Amato).Massaccesi stated in an interview "It seemed to me that the most sensible thing was to give the job of directing the dialogues to (Soavi's) assistant, Claudio Lattanzi, while I took care of the special effects scenes.