

A squadron of American warplanes, armed with gas developed by Corsican chemist Gannimer (dubbed "Napoleon Gas") flies to Leningrad. American workers inform soviet comrades about the impending catastrophe. But the air attack on the city has already begun, and the assault troops of the enemy capture one suburb of the city after the other. The Red Army is organizing the defense and reflects the attack of the enemy with gas-armed drones
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)