character of hangover

Characters - 4main characters

Bradley cooper – (born January 5, 1975) is an American film, theatre and television actor. He is best known for his roles as Will Tippin in the TV series Alias, Phil Wenneck in the 2009 film The Hangover, and Templeton "Faceman" Peck in 2010 movie The A-Team.
Plays the role of Phil who is shown to be rude, ladies man and big headed

Ed helms – (born January 24, 1974) is an American actor and comedian known for his work as a correspondent on The Daily Show with Jon Stewart, as Andy "Nard-Dog" Bernard on the U.S. version of the sitcom/mockumentary The Office and for his role as Dr. Stu Price in the 2009 hit comedy The Hangover.
Plays the role of Stu who is mature, serious, listens to his fiancé and wants to stay out of trouble

Zach Galifianakis – (born October 1, 1969) is an American comedian and actor, known for his numerous film and television appearances including his own Comedy Central Presents special. While initially more of an "underground" comedian, he garnered mainstream attention with his role in the successful 2009 comedy film The Hangover.
Plays the role of Alan who is weird/crazy, childish and takes things as a joke

Justin Bartha – (born July 21, 1978) is an American actor, known for his co-starring role as Riley Poole in the National Treasure films and as Doug Billings in The Hangover.
Plays the role of Doug (missing character) who is shown to be serious, mature and understandable