Regimantas Adomaitis

Sergei Lazo

Yuriy Dubrovin

Korolyov

Zinaida Slavina

Tatyana Makhova

Sofia Nikolayevna

Aleksandra Zavyalova

Vsevolod Yakut

Ion Ungureanu

Viktor Markin

Konstantin Artyomenko

Andrei Tarkovsky

Military Officer (uncredited)