Onder andere met: 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 , Sandro Rossi , Giulio Baraghini , Ettore Geri , Antonio Radaelli , Monica Strebel (Nurse Helen), Carla Mancini , Franco Marletta