The story of the Three Musketeers, D'Artagnan, and the imprisonment in an iron mask of the identical twin of the King of France, Louis XIV.

Jean Marais
as Charles D'Artagnan

Sylva Koscina
as Marion

Jean-François Poron
as Henri / Louis XIV

Gisèle Pascal
as Mrs. de Chaulmes

Philippe Lemaire
as De Vaudreuil

Noël Roquevert
as Mr. de Saint-Mars

Jean Rochefort
as Lastreaumont

Claudine Auger
as Isabelle de Saint-Mars

Jean Lara
as Renaud de Lourmes

Germaine Montero
as Ann d'Autriche