The Man from Planet Earth

Yuriy Koltsov

Konstantin Eduardovich Tsiolkovsky

Vera Dikhtyar

Varvara Efgrafovna

Yuri Krotenko

Ignat

Nina Menshikova

Lyuba

Yuri Lyubimov

Baburin

Vladimir Balashov

Dorofeev

Georgiy Budarov

Balabanov

Yuri Medvedev

Chuprov

Vladimir Troshin

Mertsalov

Zinoviy Gerdt

Nikita Kondratyev

Aleksandr Lavrukhin

Valeria Menikovskaya

Lev Potyomkin

Sergei Tseits

Masha Sokolova

Sasha Kotelnikov

Vera Burlakova

(uncredited)