谢尔盖·科马罗夫

Sergei Komarov

饰：Pavel Ivanovich Sedikh, academician

K. Moskalenko

K. Moskalenko

饰：Professor Marina

Vassili Gaponenko

Vassili Gaponenko

饰：Andryusha Orlov, a boy

Nikolai Feoktistov

Nikolai Feoktistov

饰：Capt. Viktor Orlov

瓦西里·科夫里金

Vasili Kovrigin

饰：Professor Karin (as V. Kovrigin)

Nikolay Feoktistov

饰：Capt. Viktor Orlov