Peter J. Lucas as Sergei Semak (time 2): The CEO of Zetrov and head of GOGOL. Some other notable recurring figures consist of Ari Tasarov (Peter Outerbridge), Sergei Semak (Peter J. Lucas), Roan (Rob Stewart), and Nathan Colville (Thad Luckinbill). Peter Outerbridge as Ari Tasarov (seasons 1-3): Former head of GOGOL, a Russian Division counterpart, and Amanda's former appreciate curiosity.