Former French President Nicolas Sarkozy appeared a few seconds as a "Tiers Etat" member in "Les années Lumière".
Katherine Flynn (Madame Royale) and Sean M. Flynn (Le Dauphin) are the real life children of Jane Seymour (Marie Antoinette).
Originally filmed in English, as well as French, in order to allow a broader release.
Among the few departures from the historical facts, the executioner Charles-Henri Sanson was shown executing both Louis XVI and Marie-Antoinette. The elder Sanson actually executed only Louis XVI; it was his son who executed Marie-Antoinette.