Anatoliy Solonitsyn
Bochazhnikov
Vsevolod Sanayev
general constructor
Yuri Bogatyryov
Dmitriy Zherekhov
Yelena Chukhray
Lyudmila Rudneva
Vladislav Dvorzhetsky
Rudnev
Oleg Efremov
professor
Larisa Malevannaya
Polina Zherekhova
Yuriy Nazarov
Stepan Zherekhov
Gennady Sayfulin
Sedykh
Sergey Nikonenko
Sayenko
Igor Yasulovich
Koretskiy
Yuri Kayurov
deputy minister
Klara Luchko
Bochazhnikova
Yuri Demich
Sergei
Boris Goldayev
Fokin
Vera Leskova
Lena
Olga Markina
planner
Mikhail Lvov
builder
Svetlana Konovalova
patient's wife
Nikita Astakhov
Nikita
Yuri Lazarev
aircraft factory worker
Valentina Kutsenko
Bochazhnikov's secretary
Aleksei Zadachin
aircraft factory worker
Aleksandr Bespalyy
aircraft factory worker
Viktor Rozhdestvenskiy
Aleksei Stepanovich (uncredited)
Yuriy Sarantsev
aircraft factory worker (uncredited)
Lev Lobov
aircraft factory worker (uncredited)
Lyudmila Krashennikova
member of the technical Council (uncredited)
Vladimir Prikhodko
member of the technical Council (uncredited)