A professor sheltering in a basement after a nuclear explosion writes mental letters to his missing son as he waits to die.
Rolan Bykov
Iosif Ryklin
Viktor Mikhaylov
Aleksandr Sabinin
Nora Gryakalova
Vera Mayorova
Vatslav Dvorzhetsky
Svetlana Smirnova
Nikolai Alkanov
Vadim Lobanov
Aleksey German
