The Mystery of Box Room "A"

Dmitriy Smirnov

Aleksandr Stalskiy

Kira Vadetskaya

Mira Astrova

Ilya Orlov

Astrov

Yevgeni Petrov-Krayevsky

Korney, Orlov's servant and accomplice

German Voskresenskiy

Pavlov, Stalskiy's friend

I. Safonov

The doctor