After news of the future birth of a child, Sergei split from his wife, Natasha, and settled in the company of young architects, who occupied a room in a big house. As a result of a chain of unforeseen events, brought by one of the tenants found a child, Sergei finds a newborn son. Friends are doing everything possible to find a lost mother, but Sergei does not disclose their affiliation and tries to give the baby the wrong hands.
Pyotr Kirillov
Husband, Nikolay
Yevgeniya Pyryalova
Wife, Natasha
Georgy Orlov
Malyutka, architect
Sergei Ponachevny
Architect
Andrei Apsolon
Architect
Georgi Zhzhyonov
Architect
Mikhail Rostovtsev
Professor
Nikolay Urvantsov
Childless citizen
K. Egorov
'Crown Prince of the Republic'
Elena Volyntseva
Old woman
Aleksandr Melnikov
Housing commission inspector (uncredited)
Yuri Muzykant
Tram passenger (uncredited)
