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