Mark is an actor from Northern Ireland, born in Belfast. Throughout his teens and twenties he was a promising musician and in 2005 he turned to theatre after being cast as Harold Gorringe from Peter Shaffers' Black Comedy.He is known for HBOs' Game of Thrones, 'The Prince of Winterfell ' ( 2012 ) and his performance of KGB Russian Agent George Blake in real life crime drama Ealu, ' Bourke and Blake ' ( 2012 ) Show less «