Baron Franz d'Epinay
Chapter 34 - An Apparition
Franz / d'Epinay
Franz travels to the Colosseum and secretly observes the meeting between the cloaked stranger and the peasant. He recognizes the stranger's voice from the Colosseum and his figure in the opera box, and is terrified by the Countess's reaction to the man. He later accepts the Count's invitation to visit him, entering the Count's drawing room and witnessing the Count's reveal.
Chapter 37 - The Catacombs of Saint Sebastian
Franz / Baron Franz d'Epinay — aliases: Excellency
Franz waits anxiously for Albert at the hotel and the Duke's ball, receives a ransom letter from Peppino, and runs to fetch the Count of Monte Cristo. He accompanies the Count into the catacombs, witnesses the confrontation with Vampa, and helps rescue Albert before returning to the ball.