About:
Justin 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.

• Known For
• 
  National Treasure
  as
  Riley Poole
• 
  National Treasure: Book of Secrets
  as
  Riley Poole
• 
  The Rebound
  as
  Aram Finklestein
• 
  Failure to Launch
  as
  Ace
• 
  Gigli
  as
  Brian