Riven

Aleksandr Grave

as Владимир Афанасьевич Обручев

Gennadi Karnovich-Valua

as Владимир Леонтьевич Комаров

Rodion Aleksandrov

as Иван Павлович Бардин

Sergey Safonov

as Aлександр Eвгеньевич Ферсман

Sofiya Pilyavskaya

as Ева Самойловна

Yuri Platonov

as Виктор Николаевич Соколов

Emmanuil Vitorgan

as военпред Камышев

Vladimir Shcheglov

as Василий Яковлевич Лонин

Tatyana Augskap

as Лена Лонина

Aleksandr Petrov

as Сергей Федорович Петров

Georgiy Kulikov

as Лев Львович Колданов

Valeriy Barinov

as Иван Саввич Шаповалов

Alla Balter

as Нина Спиридоновна

Nadezhda Butyrtseva

as Нина Ивановна Иванкова

Nina Beloborodova

as женщина с подарком - валенками

Galina Lyapina

as Антонина Ивановна

Valentin Pechnikov

as

Svetlana Sadkovskaya

as девушка

Iosif Prut

Writer

Elena Chernyak

Writer

Vasili Davidchuk

Director

Yuri Isakov

Director of Photography

Irakli Gabeli

Music