Anatoly Grachov as Mikhail Tokarev «Reserve To», Senior Inspector of OBKhSS (financial police)
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Leonid Kanevsky as Aleksandr Tomin, Senior Inspector-detective
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Song by Mark Minkov based on the lyrics Invisible struggle (Nezrimiy Boi - If somebody, somewhere among us, sometimes... ) by Anatoly Gorokhov features in almost all series.
CSI: Crime Scene Investigation | Federal Bureau of Investigation | Central Bureau of Investigation | Criminal Investigation Department | Investigation Discovery | Anna Held | privately held company | Oklahoma State Bureau of Investigation | IRS Criminal Investigation Division | Zeus B. Held | Winter Soldier Investigation | Privately held company | Murder Investigation Team | Journal of Clinical Investigation | BC Missing Women Investigation | American Society for Clinical Investigation | Aircraft and Railway Accidents Investigation Commission | Air Accidents Investigation Branch | Woodie Held | Special Investigation Branch | Held Up | CSI: Crime Scene Investigation (season 9) | Crime Investigation Australia | U.S. Chemical Safety and Hazard Investigation Board | Transport Accident Investigation Commission | Terrorism Prevention and Investigation Measures Act 2011 | Swiss Accident Investigation Board | Rail Accident Investigation Branch | Papua New Guinea Accident Investigation Commission | only trial held for Kennedy's murder |