The Soviet embassy in England sends two couriers with diplomatic mail to Leningrad. The inspector of security police, White, and a group of policemen attack the Soviet diplomatic couriers at night. The documents get to an English trackman, who gives them to his son, a sailor in Portsmouth.
Mattea Buyukli
Anton Klimenko
Georgi Zelondzhev-Shipov
Ida Penzo
Borys Zahorskyi
Serhii Minin
G. Skoretskiy
Ivan Kapralov
V. Komaretskyi
Oleksandr Dovzhenko
Konstantin Eggert
Dmytro Karpa
Anisim Suslov
Redina
G. Pinkler
Osyp Merlatti
A. Belov
Mikhail Smolenskiy
Elena Chernova
Tarasevych
Kalvelis
V. Solntsev
Vladimir Lanskoy
L. Matvienko
Sandulevskyi
Ivan Malikov-Elvorti
P. Stroganov