William Brent "Billy" Unger(born October 15 1995)is an American teen actor credited as Billy Unger.Unger
Billy U.
as a child actor appeared in high-attention firms such as National Tresure:Books of Secret(2007),Cop Dog(2008),Opposite Day(2009),You Again(2010) and will appear as the title character Billy Stone in The last Medallion:The Adventure of Billy Stone(2011) alongside young actress Sammi Hanratty.He also appeared in the video game Uncharted 3:Drake's Deception(2011)playing the younger version of the protagonist Nathan Drake.