Demons English language theatrical film poster by Enzo Sciotti Directed by Lamberto Bava Produced by Dario Argento Screenplay by Dario Argento Lamberto Bava Franco Ferrini Dardano Sacchetti Story by Dardano Sacchetti Starring Urbano Barberini Natasha Hovey Music by Claudio Simonetti Cinematography Gianlorenzo Battaglia Edited by Piero Bozza Franco Fraticelli Production company DACFILM Rome Release date 4 October 1985 (1985-10-04) Running time 88 minutes[1] Country Italy Language English Italian Budget $1.8 million