The Count of Bragelonne

The Count of Bragelonne (French: Le Vicomte de Bragelonne, Italian: Il Visconte di Bragelonne) is a 1954 Franco-Italian film directed by Fernando Cerchio. It is a film adaptation of the novel "Le Vicomte de Bragelonne" by Alexandre Dumas père. Its cast included Dawn Addams, Georges Marchal and Jacques Dumesnil.
It was shot at the Billancourt Studios in Paris. The film's sets were designed by the art director Roland Quignon.
Synopsis.
Raoul de Bragelonne, son of the musketeer Athos, returns to France from a mission to England to find that his lover Louise de la Vallière is now mistress of Louis XIV. Instead he now falls in love with Hélène de Winter and with the assistance of D'Artagnan foils a plot by Cardinal Mazarin to put the King's secret twin brother on the throne.