Director
Mikhail Romm
DIRECTOR
Writer
Daniil Khrabrovitsky
WRITER
Stars (in credits order)
Aleksey Batalov
Dmitri Gusev
Innokentiy Smoktunovskiy
Ilya Kulikov
Tatyana Lavrova
Lyolya
Nikolai Plotnikov
Professor Sintsov
Sergei Blinnikov
Pavel Butov, director of the Institute
Evgeniy Evstigneev
Nikolai Ivanovich
Mikhail Kozakov
Valery, physicist
Valentin Nikulin
ACTOR
Pavel Shpringfeld
Guest physicist
Aleksandr Pelevin
Evgeniy Teterin
Surgeon
Nikolay Sergeev
Gusev's Father
Ada Vojtsik
Maria Tikhonovna wife Sintsova
Valentina Belyaeva
Tatiana Abramovna physician medical unit of the Institute
Lyusena Ovchinnikova
Nura, the younger sister of Gusev
Yuri Kireyev
Nura's husband
Boris Yashin
Physicist
Igor Dobrolyubov
Andrey Smirnov
Tall bearded physicist
Anna Pavlova
older sister Gusev
Rezo Esadze
Georgi Yepifantsev
Mitya, a donor
Lev Durov
KGB officer
Natalya Batyryeva
Zoya Vasilkova
Igor Yasulovich
Zinoviy Gerdt
Narrator (voice)
Nikolay Grabbe
Basil, physicist
