Herbert Lom

Elisabeth von Salmenau

Erika Blanc

Advocate

Johannes Buzalski

Balthasar von Ross

Anton Diffring

Äbtissin

Ellen Umlauf

Alexander von Salmenau

Percy Hoven

Jean-Pierre Zola

Natas

Reggie Nalder

Fürst

Lukas Ammann

Clementine

Astrid Kilian

Harry Hardt

Pompanne

Rosemarie Heinikel

Father Melchior

Dietrich Kerky

The Torture-Master (uncredited)

Joachim Hackethal

Count Alexander von Salmenau (uncredited)

Adrian Hoven

Judge (uncredited)

Herbert Kersten