Valuable documents have been stolen from a British laboratory. Slim Callaghan is sent to investigate the theft. But his tracks soon lead him to the welcoming skies of the Côte d'Azur. There, he decides to infiltrate a network of aristocratic spies.
as Slim Callaghan
as Doria Varette
as Count Haragos
as Commodore Schoubersky
as Irania Trasmonti
as Amédée
as Inspector Vadet
as Prof. Ephraim Ponticollo
as 'La Montalban'
as Countess Haragos
as Nicholls
as Gonzalès
as (uncredited)
as (uncredited)
as (uncredited)
as Souvaroff (uncredited)
