character - Jean-Philippe Etienne

character - Baron de Vaux

character - Ghislain Chauffereau, beau-père de Jean-Jacques

character - Jacques Necker

character - chief inspector Cazalières

character - Self

character - Maître Jules Corvisart

character - Georges Argand

character - Head of Criminal Division

character - Le comte de Saint-Prix

character - Lord Henry Wotton

character - Anton Korff

character - Vigerie

character - Sherlock Holmes

character - Colonel

character - Palestrino Cavalieri

character - General Pontaubert

character - Dr Chaumont de Latour

character - Flavigny

character - Vignaud

character - Genève

character - Mario

character - Self

character - Commissaire Chameille

character - Self

character - Leader of the French barbouzes

character - Malgrave

character - Monsieur LeCenseur

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

character - Commissioner

character - Lord, l'inspecteur de police

character - Philippe d'Orléans

character - Maxime Kerman

character - Le Régent

character - Carlo Werhoff

character - Colonel

character - Monseigneur Lluegos

character - Maloine

character - Voice on the phone (voice)

character - Édouard, ami de Léon

character - Pimentel

character - Pierre Malet

character - Le général Vrovkine

character - Apponyi

character - Jimmy

character - Renard

character - The King

character - Pierre

character - Le Commissaire

character - Lawyer

character - Jacques

character - Villedieu

character - Édouard, ami de Léon