Михаил Ромм

Yönetmen

Ivan Novoseltsev

Commander Ivan Zhuravlyov (as I. Novoseltsev)

Yelena Kuzmina

Marya Nikolaevna Zhuravlyova (as E. Kuzmina)

Алексей Долинин

Soldier Aleksey Timoshkin (as A. Dolinin)

Александр Чистяков

Aleksandr Petrovich Postnikov, geologist (as A. Chistyakov)