Justin Bartha
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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
Credits
The Hangover (2009)
as Doug Billings
The Hangover Part III (2013)
as Doug Billings
The Hangover Part II (2011)
as Doug Billings
National Treasure (2004)
as Riley Poole
National Treasure: Book of Secrets (2007)
as Riley Poole
Failure to Launch (2006)
as Ace
New York, I Love You (2008)
as Justin, Sarah's Boyfriend
Sweet Girl (2021)
as Simon Keeley
The Rebound (2009)
as Aram Finklestein
Gigli (2003)
as Brian
54 (1998)
as Clubgoer (uncredited)
Hal (—)
Actor
White Girl (2016)
as Kelly
Influenced (2026)
as Jordan
CBGB (2013)
as Stiv Bators
Dear Zoe (2022)
as David Gladstone
Every Jack Has a Jill (2009)
as Jack
Strip Search (2004)
Actor
Trust the Man (2005)
as Jasper Bernard
Dark Horse (2012)
as Richard
Against the Clock (2019)
as Peter Hobbs
Driven (2019)
as Howard Weitzman
Sorry For Your Loss (2018)
as Ken
Holy Rollers (2010)
as Yosef Zimmerman
Sticky Notes (2017)
as Bryan
Nuked (2025)
as Jack Langer
Wolfpack Only: The Hangover Retrospective (2013)
as Self
Brahmin Bulls (2013)
as David
The Big Break (2019)
as Stephen