Cast

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



Vladimir Kozelkov



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)