Mircha Carven as Helmut

Paola Corazzi as Mirelle

Giorgio Cerioni as Col. von Kleiben

Giovanna Mainardi as Female Guard

Serafino Profumo as The Sergeant

Attilio Dottesio as Dr. Steiner

Patrizia Melega as Dr. Renke

Almina De Sanzio as Dunja

Matilde Dall'Aglio as Sonja

Agnes Kalpagos as Margot

Carolyn De Fonseca as Dr. Renke (voice) (uncredited)

Maurizio Reti as (uncredited)

Inga Alexandrova as Russian prisoner (uncredited)

Mara Carisi as Magda (uncredited)