Question: who plays president petrov in house of cards
Answer: Lars Dittmann Mikkelsen ( born ( 1964 - 05 - 06 ) 6 May 1964 ) is a Danish actor best known to international TV audiences for his roles as Copenhagen mayoral election candidate Troels Hartmann in the drama series The Killing , Charles Augustus Magnussen , the primary villain in the third series of Sherlock , the Russian President Viktor Petrov in House of Cards on Netflix , and Grand Admiral Thrawn in Star Wars Rebels .