Natalya Kustinskaya
Alyona
Valentin Smirnitskiy
Vasiliy
Aleksandr Khanov
Aleksei Ivanovich
Aleksandr Gruzinsky
Gervasiy Fedoseyevich
Georgiy Kulikov
Nikolai Lvovich
Aleksandr Martyshkin
Pasha
Oleg Mokshantsev
Soluyanov
Irina Miroshnichenko
Violetta
Viktor Yakovlev
Alyona's relative
Klarina Frolova-Vorontsova
Alyona's grandmother
Georgi Svetlani
Alyona's grandfather
Vladimir Lippart
member of the academic Council
Nikolai Tolkachyov
member of the academic Council
Eugeny Agurov
head of the American delegation
Lidiya Menshova
wife of the Soviet ambassador
Thomas Holtzmann
himself (uncredited)
Marina Vlady
herself (uncredited)
Ervin Knausmyuller
rewarding person (uncredited)
Aleksey Bakhar
pilot (uncredited)
Vyacheslav Gostinsky
member of the American delegation (uncredited)
Valentina Ananina
Aleksei Ivanovich's companion (uncredited)
Pyotr Repnin
member of the academic Council (uncredited)
Semyon Bardin
member of the academic Council (uncredited)
Inna Kondratyeva
member of the academic Council (uncredited)
Olga Narovchatova
student-rower (uncredited)
Arkadi Tsinman
speaker at the academic Council in MAI
Leonid Yevtifyev
member of the academic council
Larisa Zhukovskaya
принцесса Христина
