Gianfranco Giagni Director Roland Wybenga Professor Alan Whitmore Actor Margareta von Krauss Actor William Berger Mysterious Man Actor Stéphane Audran Mrs. Kuhn Actor Paola Rinaldi Genevieve Weiss Actor Claudia Muzi Maria Actor Valeriano Santinelli Actor Massimiliano Pavone Actor Arnaldo Dell'Acqua Actor Tonino Cervi Screenwriter, Producer Cesare Frugoni Screenwriter Riccardo Aragno Screenwriter Gianfranco Manfredi Screenwriter Endre Flórián Executive Producer Endre Sík Executive Producer Franco Piersanti Original Music Sebastiano Celeste Cinematographer Sergio Montanari Film Editing Stefano Maria Ortolani Production Design