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.
Галина Кравченко
as Mademoiselle Brio, variety show artist
Андрей Файт
as Lugovets
Ada Vojtsik
as Lugovets's wife
Сергей Комаров
as Bryanskiy, underground Bolshevik
Юрий Васильчиков
as Adjutant for the chief of secret intelligence
Mikhail Doronin
as Chief of secret counterintelligence
Vladimir Kochetov
as French Bolshevik soldier
Всеволод Пудовкин
as Illusionist
Александр Чистяков
as Worker
Александр Жутаев
as
N. Kopysov
as
Валентина Лопатина
as
