Robert Moor

as Berthier

as Official (uncredited)

as Licaire

as Un docteur

as M. de Montesson

as Le procureur

as Professor

as Un diplomate (uncredited)

as (uncredited)

as Un docteur du train (uncredited)

as Professor Peccavi

as Member of the circle

as Examiner

as Examiner (uncredited)

as Chemist

as le vénérable vieillard

as Notary (uncredited)

as Professor Georges Limousin (uncredited)

as Man at Rouletabille's party (uncredited)

as The domestic

as Le mage

as Employee

as Le médecin légiste

as Valet (uncredited)

as Doctor

as Doctor

as Professor

as Antoine

as (uncredited)

as Maître Ménager, le notaire

as Mathurin

as Le deuxième commanditaire

as Emile

as Le philatéliste

as Agent (uncredited)

as Béranger

as Duke of Bocanegra Sr.

as Un médecin

as Mr. Guérin

as Albert, le concierge (uncredited)

as (uncredited)

as Le fossoyeur

as Un locataire

as Director

as L'instituteur

as Comte de Larnac

as Ferdinand Albaret