Following recovery from a serious accident sustained while working on an oil rig, Matter chose to pursue a full-time acting career. He received his first significant break in 2007, with a main role in teen drama "The Best Years". Later in the same year, he joined the cast of "Eureka" as bad-boy genius Zane Donovan. In 2009 he had a small supporting role in Zack Snyder's film "Watchmen". He went on to star as Evan Cross in the short-lived 2012 series "". His career subsequently moved away from science fiction, seeing him star in several television movies, as well as joining Canadian series such as "Remedy", "Arctic Air" and "When Calls the Heart".