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Andrei Tolubeyev
as Stepan Sergeyevich Shelagin
Aleksei Nilov
as Vitaliy Igumnov
Aleksandr Barinov
as Aleksandr Petrov
Aleksandr Arzhilovskiy
as Research worker
Aleksandr Bespalyy
as Mefodiy Soroka
Anatoly Vedyonkin
as Vasiliy Yevsyukov
Oleg Golubitsky
as Viktor Antonovich Bayannikov
Lyubov Germanova
as Katya Shelagina
Valentina Egorenkova
as Ninel Vladimirovna Starycheva
Oleg Korchikov
as Anatoliy Vasilyevich Trufanov
Aleksandr Kashperov
as Fomin
Vadim Lobanov
as Admiral
Olga Lysenko
as Vitaliy Igumnov's mother
Igor Lenyov
as Sorin
Rostislav Shmyryov
as Igor Borisov
Yekaterina Urmancheyeva
as Asya
Mikhail Fedorovskiy
as Rafail Sigizmundovich
Gennadiy Garbuk
as Savchikov
Vladimir Gritsevskiy
as Naval officer
Anatoliy Guryev
as Research engineer
Dmitry Kalinin
as
Vladimir Sichkar
as Strigunkov
Sergei Sychyov
as Marshal
Anatoliy Terpitskiy
Pyotr Yurchenkov
Anatoliy Zubritsky
Director of Photography
Pyotr Alkhimovich
Music
Director
Vladimir Kovalyov
Production Design
Aleksandr Borodyanskiy
Writer
Sergey Mosin
Producer
