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

Production

Production

Production

Sound

Editing

Art

Costume & Make-Up

Costume & Make-Up

Costume & Make-Up

Production

Production

Directing

Production

Acting

Sound

Sound

Camera

Camera

Camera

Camera

Camera

Sound