Obsada:

• Fabio Testi Enrico 'Henry' Rosseni
• Cristina Galbó Elizabeth Seccles
• Karin Baal Herta Rosseni
• Joachim Fuchsberger Inspector Barth
• Günther Stoll Professor Bascombe
• Claudia Butenuth Brenda Pilchard
• Camille Keaton Solange Beauregard
• Maria Monti Mrs. Erickson
• Giancarlo Badessi Mr. Erickson
• Pilar Castel Janet Bryant
• Giovanna Di Bernardo Helen Edmonds
• Vittorio Fanfoni Enrico's friend
• Marco Mariani Father Webber
• Antonio Casale Mr. Newton
• Emilia Wolkowicz Ruth Holden
• Daniele Micheletti Mr. Bryant
• Antonio Anelli Father Herbert
• Rainer Penkert the headmaster Mr. Leach
• Carla Mancini girl in Enrico's class Susan
• Joe D'Amato CID officer w / The Daily Telegraph
• John Gayford Joseph Kane
• Maria Michi Brenda's mother
• Alfred Vohrer Edgar Wallace