Ewa Aulin

Greta von Holstein

Klaus Kinski

Dr. Sturges

Luciano Rossi

Franz

Attilio Dottesio

Inspector Dannick

Carla Mancini

Gertrude - The Maid

Giacomo Rossi Stuart

Dr. von Ravensbrück - Walter's Father

Fernando Cerulli

Professor Kempte

Giorgio Dolfin

Maier - Ballet Dancer