Shameless star, Emmy Rossum, has signed on to co-star with Liam Neeson in the Rocky Mountains-set action thriller Hard Powder. Neeson will play Nels, an upright snowplow driver whose life is turned upside down when his son is murdered by the powerful local drug kingpin. Nels then seeks to dismantle the cartel sparking a turf war between a Viking gangster and a Native American mafia boss.