Actress Brio working in a cafe "The Happy Canary", does not suspect that her new acquaintances Brianski and Lugovec are Communists sent by an underground committee to fight the enemy's counter-intelligence.
Galina Kravchenko
Mademoiselle Brio, variety show artist
Andrey Fayt
Lugovets
Ada Vojtsik
Lugovets's wife
Sergei Komarov
Bryanskiy, underground Bolshevik
Yury Vasilchikov
Adjutant for the chief of secret intelligence
Mikhail Doronin
Chief of secret counterintelligence
Vladimir Kochetov
French Bolshevik soldier
Vsevolod Pudovkin
Illusionist
Aleksandr Chistyakov
Worker
Aleksandr Zhutaev
N. Kopysov
Valentina Lopatina
Vladimir tsoppi
Boris Frantsisson
Director of Photography
Pyotr Yermolov
Lev Kuleshov
Director
Anatoli Marienhof
Writer
Boris Gusman
Co-Director
Sergei Kozlovsky
Production Design
