The captain
Head of the judicial police
Ruy Gomez
Pasquale
The boss
Doctor
President of the Assizes
Le directeur du Conservatoire (uncredited)
Count of Vauvert
Le lieutenant Djeroï
Louvain
L'ami de Marie-Louise
A Russian General
The judge
Colonel Simpson (uncredited)
Dr. Pasquier
Investigating judge
Le Chevalier de Maison-Rouge, alias le citoyen Morand
Négrel l'ingénieur
Detective Larsen