Aleksandr Safronov
Volodya Prokhorov
Igor Vasilev
Academician Korostylyov
Yuriy Nazarov
Rodion Terentyevich Ugryumov
Lyudmila Maksakova
Yuliya Aleksandrovna Skurlatova
Vladimir Nosik
Dyomkin
Olga Gudkova
Lena
Nadezhda Butyrtseva
Tanya
Vladimir Gulyaev
Shibanov
Gennadi Korolkov
Kharlamov
Gennadi Krasheninnikov
Petrikov
Aleksandr Pyatkov
Tyurin
Georgios Sovchis
Gulyayev
Valery Shalnyh
Valeriy Orlov
Vladimir Privalov
Nikolay Shatskiy
Grandpa Antip
Vadim Aleksandrov
Sherstyuk
Natalya Khorokhorina
Aleksey Zolotnitskiy
Scientist
Veleriy Zakharyev
Research Assistant
Andrei Voznesenskiy
Yuri Gusev
Scientist(uncredited)