Pavel Parkhomenko Director Vladimir Steklov Nikolai Kamanin Actor Viktor Proskurin Father Actor Nadezhda Markina Mother Actor Yaroslav Zhalnin Yuri Gagarin Actor Mikhail Filippov Sergey Korolev Actor Olga Ivanova Valentina Ivanova Actor Vadim Michman Herman Titov Actor Daniil Vorobyov Grigory Nelyubov Actor Oleg Kapanets Writer, Producer