Gunpowder

Nikolai Nikonov

Kira Nikonova

Maria Petrovna

Aleksandr Kluyev

professor Ivan Revazovich Gedevanov

captain Petrakov

lieutenant Antipov

private Gadzhibekov

Zhdanov

boat captain Ganichev

tug captain Zagovorenniy

tug captain Egor Mikhaylovich

Galya Kluyeva

woman on the tram

Roza Ivanovna

Acting

Acting

friend of Kluyev

Acting

Acting

uncredited

tug sailor

Kopylov