Armstrong portrayed
Qhorin Halfhand in the
HBO series
Game of Thrones (2012). He also had recurring roles in the TV series
Coronation Street (2013) and
The Interceptor (2015). In 2014, Simon joined the cast of
British-
American short Artificio Conceal. The film, written and directed by
Ayoub Qanir, was selected to film festivals worldwide including
Cannes Film Festival's
Short Film Corner ,
Edinburgh International Film Festival and
Seattle International Film Festival. ==Selected filmography==