Justin Bartha is an American actor best known for his film roles as Riley Poole in the National Treasure series and as Doug Billings in The Hangover and The Hangover Part II.
He currently stars as David Murray, one half of a gay Los Angeles couple who seem to have it all, on the television sitcom The New Normal, since 2012.
He also starred in the Todd Solondz independent film Dark Horse with Selma Blair, Mia Farrow and Christopher Walken, which premiered in competition at Venice and Toronto.
In the indie drama Holy Rollers, Bartha starred with Jesse Eisenberg. The film, loosely based on the true story of Hasidic Jewish drug dealers in the late '90s, premiered in competition at the 2010 Sundance Film Festival and went on to garner its director the Breakthrough Award at the Gotham Film Festival and the Most Promising Newcomer Award at Deauville.
In 2010, Bartha added starring on Broadway to his resume, receiving rave reviews for his leading role in the acclaimed comedy Lend Me a Tenor presented by Ken Ludwig. He starred alongside Tony Shalhoub and Anthony LaPaglia in this Stanley Tucci-directed play.
Since then, he has also starred in the off-Broadway plays All New People, penned by Zach Braff, and Asuncion, written by Jesse Eisenberg, who co-starred.
Bartha is also known for his portrayal of Riley Poole, partner to Nicolas Cage's character, Ben Gates, in the world-wide successes National Treasure and National Treasure: Book of Secrets.
Beyond the groundbreaking comedy The Hangover, Bartha's credits include New York, I Love You, the American version of Paris, Je T'aime, and Failure to Launch with Matthew McConaughey.
Bartha studied acting at New York University's Tisch School of the Arts and is a graduate of their film school. He currently splits his time between New York and Los Angeles.