Characters played by Sergey Komarov
Pavel Ivanovich Sedikh
academician
Characters played by Ksenia Moskalenko
Prof. Marina
Characters played by Vassili Gaponenko
Andryusha Orlov
a boy
Characters played by Nikolay Feoktistov
Capt. Viktor Orlov
Characters played by Vasili Kovrigin
Prof. Karin
Characters played by Andrey Karasyov
Zhuk
reporter
Characters played by Lyubov Nenasheva
Orlovs' mother
Characters played by Sergey Stolyarov
Take-off technician