A Russian spy is sent out to steal sensitive information from NATO about military mobilization. Without much intelligence of his own, the distrusted agent of Soviet intelligence needs all the help he can get from his "talented" partner Penelope Lightfeather as they scatter around the French countryside for secret rendez-vous' while trying to avoid being caught by counter intelligence agents and distrustful communist operatives.
as Penelope 'Penny' Lightfeather
as Harry Compton / Nicolas Sergueivitch Miloukine
as Bagda
as Inspector Cartwright
as Donald Farrington
as Sir Reginald Dumfrey
as Mamie
as Surgeon - the chauffeur
as Lady Barbara Dumfrey
as Fedor Alexandrovitch Balaniev
as Bank director
as Le Lord-Admiral
as Maud Smith (as Fredrika Layne)
as Eléonore - la serveuse du Lion's
as Rosemary
as Clément
as Le sergent de police