Alexandre Astier
as Arthur
Lionnel Astier
as Léodagan
Franck Pitiot
as Perceval
Anne Girouard
as Guenièvre
Thomas Cousseau
as Lancelot
Jean-Christophe Hembert
as Karadoc
Nicolas Gabion
as Bohort
Joëlle Sévilla
as Séli
Jean-Robert Lombard
as Père Blaise
Jacques Chambon
as Merlin
Simon Astier
as Yvain
Serge Papagalli
as Guethenoc
Vanessa Guedj
as Angharad
Audrey Fleurot
as Viviane
Josée Drevon
as Ygerne de Tintagel
Bruno Fontaine
as Elias de Kelliwic'h
Carlo Brandt
as Méléagant