Yuri Komarov is the hidden main antagonist in the 2013 action movie A Good Day to Die Hard. He was portrayed by actor Sebastian Koch.
Yuri Komarov was a former Russian billionaire turned imprisoned terrorist and the main antagonist in A Good Day to Die Hard. In addition, Komarov was a terrorist informant who was being protected by CIA agent Jack McClane. He had a daughter named Irina, who was also one of the film's antagonists.
Yuri Komarov was a scientist from Russia who went rogue and tried to sell a deadly isotope.