Mordet på Marat was released in the year 1967。Mordet på Marat is also called as Marat/Sade, Verfolgung und Ermordung Jean-P, The Persecution and Assassination of Jean-Paul Marat as Performed by the Inmates of the Asylum at Charenton Under the Direction of the Marquis de Sade, Jean-Paul Marat'n vaino ja murha Charentonin sairaalan näyttelijäryhmän esittämänä ja herra de Saden ohjaamana。

The Marquis de Sade is locked in the Charenton mental hospital and decides to put on a play. His overseers agree as long as he follows certain conditions. He writes and directs the other mental patients in a play based on the life of the Jean-Paul Marat. As the play progresses, the inmates become more and more possessed by the violence of the play and become extremely difficult to control. Finally, all chaos breaks loose.

Mordet på Marat actors and actresses include Glenda Jackson, William Morgan Sheppard。