Oleg Taktarov is a Russian Former MMA Fighter, Military Policeman and Actor who Competed in UFC and PFC and an Avid Practitioner of Sambo and Judo, as an actor he appeared in Bad Boys II, Miami Vice (with Justin Theroux), Righterous Kill and Predators (with Danny Trejo and Derek Mears), He Played Gordei Volkov, a Russian Terrorist/Assasin who Worked for The Covenant in Season 3 Premiere 3.1 The Two.