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Galina Korotkevich
as Nadezhda
Vladimir Petrov
as Mikhail
Yuri Bublikov
as Yasha
Anatoliy Kuznetsov
as Krylov Ivan Ivanovich
Vladimir Taskin
as Academician Alexander Alexandrovich Petrov
Georgy Anchits
as Suzdaltsev
Lev Shostak
as Zdobnov
Lyudmila Ponomareva
as Katya
Anatoli Abramov
as hostel commandant
Alexandra Trishko
as Aunt Masha
Alexey Zhivotov
Original Music Composer
Iosif Kheifits
Screenplay
Sergei Ivanov
Director of Photography
Nikolai Akimov
Director
Semyon Malkin
Production Design
Nikolay Akimov
Nadezhda Kosheverova
Viktor Gusev
Veniamin Levitin
