Small parts in the 2003 feature films Gigli and Carnival Sun followed, but it wasn't until he played opposite Nicolas Cage in the action flick National Treasure (2004) that Bartha became known to mainstream audiences. In 2006, he made the most of a supporting role in Failure to Launch, and in that same year he landed the lead role on the sitcom "Teachers."
Bartha has also worked behind the camera, writing and directing the short film "Highs and Lows," which screened at the South by Southwest Film Festival in 2003.
When three friends finally wake up after a wild bachelor party, they find a baby in the closet and a tiger in the bathroom. But they can't locate their best friend, who's supposed to be tying the knot.