Sergio Stivaletti Director Robert Hossein Boris Volkoff Actor Romina Mondello Sonia Lafont Actor Riccardo Serventi Longhi Andrea Conversi Actor Gabriella Giorgelli Aunt Francesca Actor Umberto Balli Alex Actor Valery Valmond Giorgina Actor Aldo Massasso Inspector Lanvin Actor Gianni Franco Inspector Palazzi Actor Giuseppina Lo Vetro Madama Actor Daniele Auber Luca Actor Antonello Murru Museum Caretaker Actor Sonia Topazio Nurse Actor Romano Iannelli Pathologist Actor Patrick O'Neil Victor Actor Dario Argento Writer, Producer Lucio Fulci Writer Daniele Stroppa Writer Giuseppe Colombo Producer