Justin Lee Bartha (born July 21, 1978) is an American film and television actor, best known for his co-starring role as Riley Poole in the National Treasure feature films and as Doug Billings in The Hangover.
At the onset of the zombie apocalypse, Lee Everett rescues young Clementine whose parents had traveled to Savannah prior to the apocalypse. They join up with other survivors in Macon that all face perils in order to survive to see another day.