Who is Leonid Toptunov in Chernobyl?

Leonid Toptunov (The young operator) is a character in Chernobyl, part of Plant & Pripyat. Leonid Toptunov, twenty-five, sat at Reactor 4's controls with months of experience and Dyatlov's voice on his neck — the senior reactor control engineer who lowered the power when protocol demanded and pressed AZ-5 when everything else failed. The mustached boy of the control room stays through the aftermath alongside Akimov, doing futile, fatal work because someone has to. History will spend decades arguing about buttons. Leonid had seconds.

When does Leonid Toptunov first appear?

Leonid Toptunov first appears in Season 1, Episode 1 (“1:23:45”) of Chernobyl (2019, HBO).

Who is Leonid Toptunov connected to?

Relationships already established when Leonid Toptunov first appears — nothing from later episodes.

• Anatoly Dyatlov — The voice on the boy's neck
• Aleksandr Akimov — Control room, then the valves

Which group does Leonid Toptunov belong to?

By the time Leonid Toptunov appears, Plant & Pripyat also includes Anatoly Dyatlov, Aleksandr Akimov, Viktor Bryukhanov, Lyudmilla Ignatenko, Vasily Ignatenko.

Who else is introduced in this episode?

• Valery Legasov — The inorganic chemist
• Anatoly Dyatlov — Deputy chief engineer
• Aleksandr Akimov — The shift supervisor
• Viktor Bryukhanov — The plant director
• Lyudmilla Ignatenko — The fireman's wife
• Vasily Ignatenko — The firefighter

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