In his film debut, 2002's Tadpole, he played a 15-year-old (he was 23 at the time) in love with his stepmother (Sigourney Weaver)
Best known for portraying Pyro in X-Men 2: United (2003) and X-Men: The Last Stand (2006)
In 2009, made notable guest appearances on Law & Order: Criminal Intent and Mad Men
After playing the title role of a missing college pal on the short-lived suspense drama ABC's Traveler (2009), he signed on to portray a quirky computer expert on the CW's Nikita