Lina Romay as Countess Irina Karlstein

Jack Taylor as Baron von Rathony

Alice Arno as Princess de Rochefort's Servant

Monica Swinn as Princess de Rochefort

Jesús Franco as Dr. Roberts

Luis Barboo as Irina's Manservant

Jean-Pierre Bouyxou as Dr. Orloff

Raymond Hardy as Hotel Masseur

Anna Watican as Anna, a Journalist

Gilda Arancio as Victim in the Wall (uncredited)

Richard Bigotini as Vice Cop (uncredited)

Roger Germanes as Irina's First Victim (uncredited)

Pierre Quérut as Inspector (uncredited)

Ricardo Vázquez as (uncredited)