(Зеленые цепочки)
Three boys are helping Soviet Intelligence to catch German spies during WWII.
Sasha Grigoryev
Mishka Alekseyev
Igor Urumbekov
Vaska Kozhukh
Vladimir Lelyotko
Styopka Panfilov
Pavel Luspekayev
Ivan Vasilyevich, KGB major
Oleg Belov
Aleksey Burakov
Aleksandr Mikhaylov
Uncle Petya / German spy
Fyodor Odinokov
Semyon, truck driver
Aristarkh Livanov
Zhora "Brunette"
