Top cast
Boris Shlikhting
Dmitriy Orlov / Leon Couturier
Yuliya Solntseva
Bella / Margarita Couturier
Antonin Pankryshev
Lieutenant Sobolevskiy
Leonid Yurenyov
Counterintelligence director
Vsevolod Massino
Simenukhin, dentist
Naum Rogozhin
Tumanovich, investigator
Vladimir Uralskiy
Secretary of the underground organisation
Iosif Mindlin
Directed by
Vladimir Kasyanov
Written by
Boris Leonidov, Vladimir Kasyanov