The 18th-century French marquis recalls his sadomasochistic experiments and goes to jail for lewd behavior.
| Actor | Role |
|---|---|
 Keir DulleaMarquis de Sade | Marquis de Sade |
 Senta BergerAnne de Montreuil | Anne de Montreuil |
 Lilli PalmerMme. de Montreuil | Mme. de Montreuil |
 Anna MasseyRenée de Montreuil | Renée de Montreuil |
 Sonja ZiemannLa Beauvoisin | La Beauvoisin |
 Christiane KrügerLaura | Laura |
 Uta LevkaRose Keller | Rose Keller |
| BBarbara StanekColette | Colette |
 Susanne von AlmassyMarquis' Mother | Marquis' Mother |
 Friedrich SchoenfelderMarquis' Father | Marquis' Father |
| HHerbert WeißbachM. de Montreuil | M. de Montreuil |
 Heinz SpitznerInspector Marais | Inspector Marais |
 Tilly LauensteinMadame Grandcon | Madame Grandcon |
| OOrtrud GrossNot listed | Not listed |
 John HustonThe Abbe | The Abbe |
| MMax KiebachMarquis de Sade as a Boy | Marquis de Sade as a Boy |
| MMaria CaleitaMarie (uncredited) | Marie (uncredited) |
 Barboura MorrisNun (uncredited) | Nun (uncredited) |
 Anke SyringProstitute in Orgy (uncredited) | Prostitute in Orgy (uncredited) |
 Evelyne TraegerProstitute in Orgy (uncredited) | Prostitute in Orgy (uncredited) |