Keir Dullea

Marquis de Sade

Senta Berger

Anne de Montreuil

Lilli Palmer

Mme. de Montreuil

Anna Massey

Renée de Montreuil

Sonja Ziemann

La Beauvoisin

Christiane Krüger

Laura

Uta Levka

Rose Keller

Barbara Stanek

Colette

Susanne von Almassy

Marquis' Mother

Friedrich Schoenfelder

Marquis' Father

Herbert Weißbach

M. de Montreuil

Heinz Spitzner

Inspector Marais

Tilly Lauenstein

Madame Grandcon

Ortrud Gross

John Huston

The Abbe

Max Kiebach

Marquis de Sade as a Boy

Maria Caleita

Marie (uncredited)

Barboura Morris

Nun (uncredited)

Anke Syring

Prostitute in Orgy (uncredited)

Evelyne Traeger

Prostitute in Orgy (uncredited)