Gabriel Signoret

as L'inspecteur Béchoux

as Monsieur Lescuyer

as Un Invité (Prologue) (as Signoret)

as Mr. Soupe

as Father Chinelle

as Le procureur Montfort

as Marquis of Barfleur

as Lord Sidley

as Apothecary Bourrachon

as Director of the boarding school

as Amiral Morbraz

as Haps

as Martin Haviland

as La limace

as Le docteur Trévoux

as Ovide Soliveau

as Roger Laroque

as Monsieur Prévoyan

as Pierre

as Surrel

as Pierre Guérande

as Paul Bernard

as Arne

as Commandant d'Urbex

as le compositeur Signoski

as Jacques Préval - industrialist

as Fernand Pradier

as Le Grand Inquisiteur