Scott Edward Adkins (born 17 June 1976) is an English actor and martial artist who is best known for playing Russian prison fighter Yuri Boyka in the 2006 film Undisputed II: Last Man Standing and its two sequels: Undisputed III: Redemption (2010) and Boyka: Undisputed (2016) and Casey Bowman in the 2009 film Ninja and its 2013 sequel Ninja: Shadow of a Tear. He has also appeared in Doctor Strange, The Bourne Ultimatum, The Expendables 2 and Zero Dark Thirty. Adkins has also appeared in Holby City, EastEnders, Hollyoaks, Doctors and many direct-to-video films.[1]