Alexandre Astier

as Arthur Pendragon

Lionnel Astier

as Léodagan de Carmélide

Anne Girouard

as Guenièvre

Thomas Cousseau

as Lancelot du Lac

Franck Pitiot

as Perceval de Galles

Jean-Christophe Hembert

as Karadoc de Vannes

Audrey Fleurot

as Viviane, la Dame du Lac

Jacques Chambon

as Merlin

Antoine de Caunes

as Dagonet

Alain Chabat

as Le Duc d'Aquitaine

Loïc Varraut

as Venec

Joëlle Sevilla

as Dame Séli

Jean-Robert Lombard

as Père Blaise

François Rollin

as Loth d’Orcanie

Caroline Ferrus

as Dame Mevanwi

Guillaume Briat

as Le Roi Burgonde

Nicolas Gabion

as Bohort de Gaunes

Christian Clavier

as Le Jurisconsulte

François Morel

as Belt

Guillaume Gallienne

as Alzagar

Clovis Cornillac

as Quarto

Sting

as Horsa

Marie-Christine Orry

as Fraganan

Jehnny Beth

as Wulfstan

Brice Fournier

as Kadoc

Serge Papagalli

as Guethenoc

Géraldine Nakache

as La Duchesse d'Aquitaine

Gilles Graveleau

as Roparzh

Stéphane Margot

as Calogrenant de Calédonie

Aurélien Portehaut

as Gauvain

Étienne Fague

as Lionel de Gaunes

Carlo Brandt

as Méléagant

Pascal Vincent

as Urgan

Valérie Kéruzoré

as Nessa

Mehdi Rahim-Silvioli

as La Pègue

David Ayala

as Maclou

Jean-Charles Simon

as Un tanneur

Lamari Amine

as Un mineur

Hélène Rudermann

as Une invitée burgonde

Yazan Al-Mashni

as Un invité burgonde

Neil Astier

as Le jeune Arthur

Tigran Mekhitarian

as Le second

Océane Slim

as Shedda

Antoine Bordes

as Recaredo

Salwa Al Hajri

as Furadja

Ayman El Kadhi

as Le jeune Papinius

Louy Valy

as Le jeune Lustus

Yoann Vellaud

as Instructeur Libo

Achile de San Nicolas

as Le jeune Varus

Charlie Konaté-Décourchalle

as Le jeune Casca

Christophe Mazière

as Un touriste

Isabelle Mattiussi

as La prophètesse

Cyrille Coton-Bonacchi

as Brise-Bûche

Mathieu Duboclard

as La drille

Enzo Pirat

as Un touriste

Chloé Guillot

as La vendeuse de tisanes

Patricia Darré

as La Pythie excalibur

Jérôme Palmer

as Le vendeur de figurines

Sandra Cheyssial

as La vendeuse de miniatures

Mark Eacersall

as Le péager

Damien Roux

as Le geôlier

Alain le Bars

as Agila

Reggie Vermeulen

as Le capitaine

Sakir Uyar

as Dikhil

Bruno Fontaine

as Elias de Kelliwic'h

Ariane Astier

as Mehben

Jeanne Astier

as Mehgan

Alban Lenoir

as Ferghus

Anthony Martin

as Le vendeur de tisanes

Ethan Astier

as Lucan