The film will be shot at the Palace of Versailles and around Paris this summer.The plot of the legendary drama has been kept under wraps.
Louis Garrel, Pierre Richard and Noemie Lvovsky will also be seen in the new release and the production start date has not been revealed.
Louis XV, also known as his beloved Louis, reigned as King of France for 59 years until his death in 1774. He was beheaded after the French Revolution.
Depp's last film was Andrew Levitas' 'Minamata' which was released in 2020. He played W. Eugene Smith, an American photographer.