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