Марк Бернес

Lieutenant Sergey Kozhukharov

Vasyl Dashenko

Lieutenant Nikolay Melnikov

Евгения Голынчик

Varya

Aleksey Zagorskiy

Professor

Елена Музиль

Grandmother

Evgeniy Ageev

Major Tuchkov

Федор Селезнев

Technician Yashin

E. Cherni

Technician Barsukov

Varvara Zhuravlyova

Tanya, Kozhukharov's sister

Ye. Lilina

Kozhukharov's mother

Владимир Уральский

Kozhukharov's father

Борис Андреев

First lieutenant Ptenchik (uncredited)