as le vénérable vieillard

as Examiner

as Ferdinand Albaret

as Director

as (non crédité)

as Mr. Guérin

as Duke of Bocanegra Sr.

as Béranger

as Agent (uncredited)

as Emile

as Le philatéliste

as Le deuxième commanditaire

as Mathurin

as (uncredited)

as Doctor

as Antoine

as Valet (uncredited)

as Doctor

as Le médecin légiste

as Employee

as Professor Georges Limousin (uncredited)

as Notary (uncredited)

as Le mage

as The domestic

as Man at Rouletabille's party (uncredited)

as Professor Peccavi

as Examiner (uncredited)

as Chemist

as Un docteur du train (uncredited)

as Member of the circle

as (uncredited)

as M. de Montesson

as Albert, le concierge (uncredited)

as Licaire

as Un locataire

as Le procureur

as Comte de Larnac

as Professor

as Maître Ménager, le notaire

as L'instituteur

as Berthier

as Professor

as Official (uncredited)

as Un docteur

as Un médecin

as Un diplomate (uncredited)

as Le fossoyeur