Ewa Aulin character Greta von Holstein
Klaus Kinski character Dr. Sturges
Luciano Rossi character Franz
Attilio Dottesio character Inspector Dannick
Carla Mancini character Gertrude - The Maid
Angela Bo character Eva von Ravensbrück
Sergio Doria character Walter von Ravensbrück
Marco Mariani character Simeon
Giacomo Rossi-Stuart character Dr. von Ravensbrück - Walter's Father
Fernando Cerulli character Professor Kempte
Giorgio Dolfin character Maier - Ballet Dancer
