Yevgeni Boronikhin
Napoleon Ginimer, engineer-chemist
Yelena Chaika
Natalia Ivanovna, instructor
Roman Rubinshteyn
Jim Dugan, king of anilin
Iona Talanov
Minister of war
Petr Kuznetsov
Archbishop
Olga Spirova
Irma Grant, aviator
Nadezhda Fridlyand
Letrice Grant
Sergey Galich
Herbert Bell, worker
V. Lande
Ellie Forstet, worker
Pyotr Podvalniy
Chief engineer
Petr Shidlovsky
Commissar of defence of Leningrad
Yakov Gudkin
Foreign businessman
Irina Volodko
Konstantin Gibshman
Aleksey Goryushin
Armoured car driver (uncredited)
Vasiliy Chudakov
(uncredited)