Aleksandr Safronov

Volodya Prokhorov

Acting

Igor Vasilev

Academician Korostylyov

Acting

Yuriy Nazarov

Rodion Terentyevich Ugryumov

Acting

Lyudmila Maksakova

Yuliya Aleksandrovna Skurlatova

Acting

Vladimir Nosik

Dyomkin

Acting

Olga Gudkova

Lena

Acting

Nadezhda Butyrtseva

Tanya

Acting

Vladimir Gulyaev

Shibanov

Acting

Gennadi Korolkov

Kharlamov

Acting

Vladimir Kozelkov

Acting

Gennadi Krasheninnikov

Petrikov

Acting

Aleksandr Pyatkov

Tyurin

Acting

Georgios Sovchis

Gulyayev

Acting

Valery Shalnyh

Valeriy Orlov

Acting

Vladimir Privalov

Acting

Nikolay Shatskiy

Grandpa Antip

Acting

Vadim Aleksandrov

Sherstyuk

Acting

Natalya Khorokhorina

Acting

Aleksey Zolotnitskiy

Scientist

Acting

Veleriy Zakharyev

Research Assistant

Acting

Andrei Voznesenskiy

Acting

Yuri Gusev

Scientist(uncredited)

Acting