A Border on Lock (1937)
A border guards are hunting a spy infiltrated to the USSR.
- Country : Soviet Union
- Genre : Adventure
- Studio : Soyuzdetfilm, Lenfilm
- Director : Vasily Zhuravlyov, Konstantin Kogtev
- Cast : Konstantin Nassonov, Semen Svashenko, Galina Mogilevskaya, Konstantin Gradopolov, Viktor Arkasov, Fyodor Seleznyov