Snowpiercer's sophomore season is currently in full swing, and fans are relishing in watching its ensemble of characters react to various narrative twists and turns. With the TNT series already being renewed for a third season, it's clear that its story is far from over -- and now the series will be enlisting an Emmy winner to continue to tell it. On Tuesday, it was revealed that Archie Panjabi will be joining the cast of Snowpiercer in a series regular role. Details are currently a mystery surrounding her character, outside of the fact that she is named Asha.