- Country: Switzerland
- Genres: Adult, Drama, Horror
- Release:
- Director: Jesús Franco
- Writers: Jesús Franco
- Language: German
- Stars: Lina Romay , Monica Swinn , Raymond Hardy , Peggy Markoff , Martine Stedil , Andrea Rigano
- Runtime: 79 min
- Awards: N/A
- AKA: Le portrait de Doriana Gray (France, French Republic) , Маркиза дьо Сад (Bulgaria) , Marquise de Sade , Портрет Дорианы Грей , Das Bildnis der Doriana Gray , Doriana Grey , Die Marquise von Sade (Switzerland, Swiss Confederation) , Die Marquise von Sade
- Plot:
A lonely aristocrat Miss Gray has a twin sister who’s in an asylum. They share a strange bond. Miss Gray is rational but frigid while her sister is insane yet feels sexual pleasure for both of them.
- IMDB:tt0074871
Die Marquise von Sade Cast · · · ALL
Jesús Franco
Director
Lina Romay
Doriana Gray/Doriana's Twin Sister
Monica Swinn
The journalist
Raymond Hardy
Ziros
Peggy Markoff
Blond victim
Martine Stedil
Ziros's Girlfriend
Andrea Rigano
Nurse
Olivier Mathot