Raymond Gérôme

as Self

as Jean-Philippe Etienne

as Baron de Vaux

as Morf

as Ghislain Chauffereau, beau-père de Jean-Jacques

as Jacques Necker

as chief inspector Cazalières

as Self

as Maître Jules Corvisart

as Georges Argand

as Head of Criminal Division

as Le comte de Saint-Prix

as Lord Henry Wotton

as Anton Korff

as Vigerie

as Sherlock Holmes

as Colonel

as Palestrino Cavalieri

as General Pontaubert

as Dr Chaumont de Latour

as Flavigny

as Vignaud

as Genève

as Mario

as Self

as Commissaire Chameille

as Self

as Leader of the French barbouzes

as Malgrave

as Monsieur LeCenseur

as Jérôme Laprade, le beau-frère et financier d'Albert

as Commissioner

as Lord, l'inspecteur de police

as Philippe d'Orléans

as Maxime Kerman

as Le Régent

as Carlo Werhoff

as Colonel

as Monseigneur Lluegos

as Maloine

as Judge

as Voice on the phone (voice)

as Édouard, ami de Léon

as Pimentel

as Pierre Malet

as Le général Vrovkine

as Apponyi

as Jimmy

as Renard

as The King

as Pierre

as Le Commissaire

as Lawyer

as Jacques

as Villedieu

as Édouard, ami de Léon