Igor Petrenko
Sherlock Holmes
Andrei Panin
John Watson
Alexander Adabashyan
publishing house editor
Aleksandr Golubev
Reginald - heir to Musgrave castle
Sergey Yushkevich
Tom - Reginald's half-brother
Leonid Yarmolnik
Brunton - butler
Alisa Grebenshchikova
Rachel - housemaid
Vladimir Norenko
Dr. Watson's patient
Sergey Panyushkin
local resident
Aleksandr Drobitko
Tom as a child
