To avenge her defeat and with the help of the Cardinal's army leader Rochefort, the treacherous Milady de Winter kidnaps both D'Artagnan and Constance, in order to spur a war between the French and the English, as per the Cardinal's wish.

Gérard Barray
as D'Artagnan

Mylène Demongeot
as Milady de Winter

Perrette Pradier
as Constance Bonacieux

Georges Descrières
as Athos

Bernard Woringer
as Porthos

Jacques Toja
as Aramis

Françoise Christophe
as Anne of Austria

Guy Delorme
as Rochefort

Guy Tréjan
as Louis XIII

Daniel Sorano
as Richelieu