Alec Utgoff (Russian: Олег Владимирович Утгоф; born 1 March 1986)[3] is a Soviet-born British actor. He pursued acting and graduated from the prestigious Drama Centre London. He is known for playing the role of Aleksandr Borovsky in Jack Ryan: Shadow Recruit and Dr. Alexei in the third season of Stranger Things. His other notable roles include Alexi in San Andreas (2015),[1][4] Dmitri in Mortdecai (2015)[5] and Yuri/Dimitri in The Wrong Mans (2015).

https://en.wikipedia.org/wiki/Alec_Utgoff