Justin Bartha , an American actor , was born on July 21st , 1978 in Fort Lauderdale , Florida after which he moved to West Bloomfield , Michigan .
Justin Lee Bartha ( born July 14 , 1981 ) is an English actor , known for his roles as Riley Poole in the National Treasure film series , Doug Billings in The Hangover trilogy , and David Sawyer in the NBC comedy series The New Normal. Bartha was born in London , England , and moved to Liverpool , England , when he was eight .
Justin Bartha