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