Virna Lisi
Ingrid Carlsen
André Weber
Legay
Jacques Balutin
Fondane
Yvonne Clech
Madame Rochon
Guy Kerner
Rochon
Roger Dutoit
Bianco
Eugene Deckers
Bianco's henchman
Tommy Duggan
Stratton
Henri Lambert
Scarpelli
Margo Lion
Mrs. Slasinska
In a factory working for the National Defense, an employee steals a prototype. In charge of the investigation is Francis Coplan.
