Rex is digging up facts...
Soviet spies are delivering top-secret mail to Moscow.
Igor Starygin
Yanis Aurin
Natalya Vavilova
Lena
Leonid Nevedomsky
Mikhail Kurasov
Ernst Romanov
Tugarin
Mikhail Matveev
Vasil Ignatevich Pereguda
Yekaterina Romanova
Villen Novak
Eduard Volodarskiy
Anatoli Prelovsky
