After researcher Yuri Sergeev fails to report to work, local police officer Ilya Sergeev opens an investigation into his disappearance.

Yuriy Kamorniyas Ilya Petrovich Sergeyev
Leonid Dyachkovas Yuriy Nikolayevich Sergeyev
Margarita Terekhovaas Tanya
Elena Naumkinaas Lyoka
Valentin Gaftas Anatoliy Anatolyevich Petelin
Pavel Pankovas Ivan Nikitich
Igor Kashintsevas Personnel Director
Leonas Ciunisas Head of Department
Pavel Vinnikas Andrey Gavrilovich Krutykh
Vadim Yakovlevas Vladimir Andreyevich Kulikov
Eduard Sadriyev