François Civil as D'Artagnan

Vincent Cassel as Athos

Romain Duris as Aramis

Pio Marmaï as Porthos

Eva Green as Milady

Lyna Khoudri as Constance Bonacieux

Louis Garrel as Louis XIII

Vicky Krieps as Anne of Austria

Jacob Fortune-Lloyd as Duke of Buckingham

Eric Ruf as Cardinal Richelieu

Marc Barbé as Captain de Tréville

Patrick Mille as Count of Chalais

Julien Frison as Gaston of Orleans

Ralph Amoussou as Hannibal

Alexis Michalik as Villeneuve de Radis

Camille Rutherford as Mathilde d'Herblay

Dominique Valadié as Marie de Médicis

Thibault Vinçon as Horace Saint Blancard

Olivier Lanchy as Gaston's guard

Olivier Le Montagner as Ventadour

Vincent Schmitt as Abbot Rougon

Thomas Dedeken as Maupin, Richelieu's guard

Dominique Daguier as Judge Tréville

Arnaud Cassand as Musketeer on duty

Jean-Paul Roy as Chief of the Richelieu guard

Mark Harris as Buckingham guard

Ruben Da Silva as Joseph

Guylène Péan as Marguerite

James Flynn as Milady's executioner

Jonathan Waite as Head of the Duke's guard

Damien le Délézir as Lieutenant in the La Rochelle trench

Jérôme Cachon as Officer La Rochelle

Isabelle Côte Willems as Mother Superior, doctor in La Rochelle

Kelian Maréchaux as Soldier Gaston

Didier Nobletz as Court officer

Arnaud Stéphan as Richelieu Guard La Rochelle

Raphaël Mondon as Huguenot

David Coburn as English rider

Thomas Espinera as Musketeer at the camp

Christophe Dimitri Réveille as Musketeer at the camp

Vincent Furic as Soldier La Rochelle