Robert Lamoureux

André Laroche / Arsène Lupin / Aldo Parolini

Liselotte Pulver

Baroness Mina von Kraft

O.E. Hasse

Kaiser Wilhelm II

Daniel Ceccaldi

Jacques Gauthier

Georges Chamarat

Inspector Lucien Dufour

Renaud Mary

Paul Desfontaines

Sandra Milo

Mathilde Duchamp

Paul Müller

Rudolf von Kraft

Henri Rollan

The Chairman of the Board Emile Duchamp

Charles Bouillaud

Otto, the valet

Hubert de Lapparent

The jewelry seller

Pierre Stéphen

The jeweler Clérissy

Jacques Becker

The crown prince

Alexandre Mihalesco

Grand father

Alain Janey

The hairdresser

Jacques Mancier

A man at the hairdresser

Henri Belly

An accomplice

René Hell

The street sweeper

Joé Davray

Maharadjah's guard

Jean-Marie Arnoux

(uncredited)

Antoine Baud

(uncredited)

Marcel Bernier

(uncredited)

Claude Carliez

(uncredited)

Lucien Desagneaux

(uncredited)

Jacques Dhéry

(uncredited)

Édouard Francomme

(uncredited)

Rico López

(uncredited)

Maurice Magalon

(uncredited)

Paul Préboist

The groom

Hans Verner

(uncredited)

Michel Vocoret

(uncredited)