Yuri Belyayev

as Nikolai Nikonov

Svetlana Bragarnik

as Kira Nikonova

Lyubov Kalyuzhnaya

as Maria Petrovna

Vadim Makarovskiy

as Aleksandr Kluyev

Nozheri Chonishvili

as professor Ivan Revazovich Gedevanov

Vladimir Varentsov

as captain Petrakov

Konstantin Sarynin

as lieutenant Antipov

Loghman Karimov

as private Gadzhibekov

Yevgeniy Liskonog

as Zhdanov

Konstantin Lukashov

as boat captain Ganichev

German Orlov

as tug captain Zagovorenniy

Vladimir Trukhanov

as tug captain Egor Mikhaylovich

Svetlana Gaytan

as Galya Kluyeva

Tatyana Zakharova

as woman on the tram

Nina Mazayeva

as Roza Ivanovna

Olga Samoshina

Viktor Sukhorukov

Yuliya Yakovleva

as friend of Kluyev

Sergei Gordiyenko

Victor Adeev

Pavel Kornakov

as uncredited

Viktor Nesterov

as tug sailor

Aleksandr Aristov

as Kopylov