The "High School Musical" alum roamed the Big Easy filming grounds in a white tank top/boxers combo - all the while covered in blood as he was joined by his lovely co-star Nicole Kidman.
The revamp of the 1995 novel offers up a slew of other Tinseltown A-listers including Matthew McConaughey and John Cusack, as well as "The Help" actor David Oyelowo.
The film, due out in 2012, centers around "a reporter who returns to his Florida hometown to investigate a case involving a death row inmate. "
