Actor John Duff was known for his roles on the silver screen. Duff began his acting career in action flicks like the Dwayne Johnson film "The Rundown" (2003). He kept working in film throughout the early 2000s and the 2010s, starring in the Jeon Ji-hyeon action movie "Blood: The Last Vampire" (2009) and "Race to Witch Mountain" (2009) with Dwayne Johnson. He also worked in television around this time, including a part on "Teen Wolf" (MTV, 2010-). Recently, he continued to act in the Kristen Bell action flick "Hit And Run" (2012). Most recently, Duff acted on "Z Nation" (Syfy, 2014-).