Obsada:

• Klaus Kinski Dr. Francis Clay
• Margaret Lee Cheryl Hume
• Rosalba Neri Anne Palmieri
• Jane Garret Mara
• John Karlsen Professor Osterman
• Gioia Desideri Ruth
• John Ely Gardener
• Fernando Cerulli the chauffeur Augusto
• Sandro Rossi
• Giulio Baraghini Policeman
• Ettore Geri Inspector
• Antonio Radaelli
• Monica Strebel Nurse Helen
• Carla Mancini Nurse
• Franco Marletta Male nurse
• Piero Nistri The husband of Cheryl
• Daniela Di Bitorno
• Enzo Spitaleri
• Marco Mariani Male nurse
• Gilberto Galimberti Policeman
• Rosanna Braida
• Lina Franchi Nurse Killed with Scythe