The adventurer Jeanne de Valois-Saint-Rémy, descendant (by the left hand) of the king of France Henri II, and who claims to be "Countess de la Motte", imagines a tortuous plan to steal a magnificent diamond necklace that the queen Marie-Antoinette refused to buy from the jewelers Boehmer and Bassange.
as Countess Jeanne de la Motte-Valois
as Louis de Rohan
as Count Nicolas de la Motte
as Marc Rétaux de Villette
as Marie-Antoinette
as Cagliostro
as Boëhmer
as Abbot Loth
as Louis XVI
as Deschamps
as Camille Desmoulins
as Prosecutor Joly de Fleury
as Maître Doillot
as Maître Target
as First president of Aligre
as Monsieur de Soubise
as Duchess of Polignac
as Princess of Lamballe
as Jeweler Bassange
as Advocate General Séguier
as Bailiff of Suffren
as Duke of Villeroi
as Nicole, Oliva's daughter
as Queen Marie-Antoinette
as Jailer (uncredited)
as (uncredited)
as (uncredited)
as Count of Artois (uncredited)
as Member of parliament (uncredited)
as Hubert (uncredited)
as (uncredited)
as (uncredited)
as Page of the Queen (uncredited)
as Mr. de Breteuil (uncredited)
as (uncredited)
as Maître Breton (uncredited)
as Usher (uncredited)
as (uncredited)
as Court abbot (uncredited)
as Hubert's Wife (uncredited)
