Nikolaj Coster-Waldau was in a film.
Nikolaj Coster-Waldau . Coster-Waldau 's breakthrough performance in Denmark was his role in the film Nightwatch ( 1994 ) . Since then he has appeared in numerous films in his native Scandinavia and Europe in general , including Headhunters ( 2011 ) and A Thousand Times Good Night ( 2013 ) . In the United States , his debut film role was in the war film Black Hawk Down ( 2001 ) , playing Medal of Honor recipient Gary Gordon . He then played Detective John Amsterdam in the short-lived Fox television series New Amsterdam ( 2008 ) , as well as appearing as Frank Pike in the 2009 Fox television film Virtuality , originally intended as a pilot . He became widely known to a broad audience for his current role as Ser Jaime Lannister , in the HBO series Game of Thrones .