Arsène Lupin / Lieutenant André Laroche

Inspector Béchoux of the Judicial Police

Aurélia Valéano

Albert, manservant

La Ballu

Isidore Bautrelet aka 'Véritaz'

French Consul in Florence

Sleeping car employee

Acting

Van Nelden, collector

General

Madame du Bois-Lambert

Henri

Attaché of the French consulate in Florence

Agnès, nurse

Acting

Lighting

Sidekick

(uncredited)

SNCF employee (uncredited)

Prison guard (uncredited)

(uncredited)

(uncredited)

(uncredited)

Drunkard of Enghien (uncredited)

Traveler on the train (uncredited)

Secretary of the archives (uncredited)

Acting

Production

Production

Production

Sound

Costume & Make-Up

Production

Editing

Costume & Make-Up

Production

Production

Production

Art

Costume & Make-Up

Acting

Production

Camera

Camera

Camera

Sound

Production

Sound

Camera

Directing

Camera

Sound