as Stepan Sergeyevich Shelagin
as Vitaliy Igumnov
as Aleksandr Petrov
as Research worker
as Mefodiy Soroka
as Vasiliy Yevsyukov
as Viktor Antonovich Bayannikov
as Katya Shelagina
as Ninel Vladimirovna Starycheva
as Anatoliy Vasilyevich Trufanov
as Fomin
as Admiral
as Vitaliy Igumnov's mother
as Sorin
as Igor Borisov
as Asya
as Rafail Sigizmundovich
as Savchikov
as Naval officer
as Research engineer
as Strigunkov
as Marshal
as Naval officer
as Research engineer