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.
as Adam(1 ep)
as Jordan
as Jack Langer
as Riley Poole(1 ep)
as David Gladstone
as Simon Keeley
as Robert Morgenthau(2 eps)
as Howard Weitzman
as Stephen
as Justin Bartha(1 ep)
as Peter Hobbs
as Ken
as Colin Morello(17 eps)
as Bryan
as Marshall Johnson(1 ep)
as Kelly
as Josh Barret(13 eps)
as Stiv Bators
as David
as Doug Billings
as David Sawyer(22 eps)
as Richard
as Doug Billings
as Self - Guest(1 ep)
as Yosef Zimmerman
as Eric
as Jack Werner (voice)(10 eps)
as Aram Finklestein
as Jack
as Doug Billings
as Justin, Sarah's Boyfriend
as Riley Poole
as Jeff Cahill(6 eps)
as Ace
as Jasper Bernard
as Riley Poole
as Self(1 ep)
as Brian
as Clubgoer (uncredited)