Three boys are helping Soviet Intelligence to catch German spies during WWII.
as Mishka Alekseyev
as Vaska Kozhukh
as Styopka Panfilov
as Ivan Vasilyevich, KGB major
as Aleksey Burakov
as Uncle Petya / German spy
as Semyon, truck driver
as Zhora "Brunette"
as Shurka "Krendel"
as Valeriy Kaplunov, rocketeer
as Voronov, clock master
as House superintendent
as Mishka's mother
as Woman on the street market
as Air raid militia
as Air raid militia
as Security officer
as Anastasiya, Semyon's wife
as Policeman
as Mishka's neighbour
as Bread factory director
as Lyusia, Mishka's sister
as Policeman Mironov (uncredited)
as Man in the bathhouse (uncredited)
as Security officer (uncredited)
as Guard (uncredited)
