An American actor born in Fort Lauderdale, Florida, best known as Doug Billings, the missing groom whose disappearance drives the plot of 'The Hangover' (2009), returning for 'The Hangover Part II' (2011) and 'Part III' (2013). He also played Nicolas Cage's tech-savvy sidekick Riley Poole in 'National Treasure' (2004) and 'National Treasure: Book of Secrets' (2007). A likeable, easygoing screen presence, Bartha has moved between studio comedies, independent films and television. A dependable supporting player, he is most familiar from two of the most successful comedy and adventure franchises of the 2000s. Read more