Lamberto Bava Director, Screenwriter David Edwin Knight George Actor Virginia Bryant Mary Actor Bobby Rhodes Hank Actor Nancy Brilli Hannah Actor Coralina Cataldi-Tassoni Sally Day Actor Asia Argento Ingrid Haller Actor Anita Bartolucci Donna con il cane Actor Antonio Cantafora Padre di Ingrid Actor Davide Marotta Tommy demone Actor Marco Vivio Tommy Actor Dario Argento Screenwriter, Producer Franco Ferrini Screenwriter Dardano Sacchetti Screenwriter Ferdinando Caputo Executive Producer Simon Boswell Original Music Franco Fraticelli Film Editing