The Persecution and Assassination of Jean-Paul Marat as Performed by the Inmates of the Asylum of Charenton Under the Direction of the Marquis de Sade, usually shortened to Marat/Sade (pronounced: [ma.ʁa.sad]), is a 1967 British film adaptation of Peter Weiss' play Marat/Sade. The screen adaptation is directed by Peter Brook, and originated in his theatre production for the Royal Shakespeare Company. The English version was written by Adrian Mitchell from a translation by Geoffrey Skelton.