A Norwegian actor, Mads Sjøgård Pettersen (born 21 January 1984) emerged from Norway’s performing-arts scene and has built a reputation through a series of television and film roles. He first appeared on screen as Thomas in the 2009 feature North, followed by a portrayal of a young Axel in the 2012 mini-series Erobreren. His breakthrough came with the 2015 historical drama The Heavy Water War, whe…