In a factory working for the National Defense, an employee steals a prototype. In charge of the investigation is Francis Coplan.
Francis Coplan
Ingrid Carlsen
Legay
Fondane
Madame Rochon
Rochon
Bianco
Bianco's henchman
Stratton
Scarpelli
Mrs. Slasinska
'Le vieux'
Pelletier
Prostitute