Cast
- William Morris as Monsieur Lecoq
- Alphonse Ethier as Duke of Sairmuse
- Florence La Badie as Duchess of Sairmuse
- Reginald Barlow as Otto, the Duke's Valet
- Julia Blanc as Mother Chupin
- Morgan Jones as The First Judge
Crew
- Émile Gaboriau · Writer
- Edwin Thanhouser · Producer