A biographical film about the life of the great Russian scientist, inventor of rocket technology and the founder of theoretical astronautics — Konstantin Tsiolkovsky, the hard spiritual work of the thinker, overcoming the stagnation of the surrounding and dramatic events of his family life.

• Mosfilm
• Yevgeny Yevtushenko
• Larysa Kadochnykova
• Albert Filozov
• Elena Finogeeva
• Kirill Arbuzov
• Vadim Aleksandrov
• Georgi Burkov
• Ion Ungureanu