Bradley Cooper character Phil Wenneck
Ed Helms character Stu Price
Zach Galifianakis character Alan Garner
Justin Bartha character Doug Billings
Heather Graham character Jade
Sasha Barrese character Tracy Garner
Jeffrey Tambor character Sid Garner
Ken Jeong character Mr. Chow
Rachael Harris character Melissa
Mike Tyson character Himself
Mike Epps character Black Doug
Jernard Burks character Leonard
Rob Riggle character Officer Franklin
Cleo King character Officer Garden
Bryan Callen character Eddie Palermo
Matt Walsh character Dr. Valsh
Ian Anthony Dale character Chow's #1
Michael Li character Chow's #2
Sondra Currie character Linda
Gillian Vigman character Stephanie
Nathalie Fay character Lisa
Chuck Pacheco character Hotel Guest at Valet
Jesse Erwin character Hotel Valet
Dan Finnerty character Wedding Singer
Keith Lyle character Casino Dealer
Brody Stevens character Officer Foltz
Todd Phillips character Mr. Creepy
Mike Vallely character Neeco
James Martin Kelly character Police Clerk
Murray Gershenz character Felix
Andrew Astor character Eli
Casey Margolis character Budnick
Ken Flaherty character Old Timer at Gas Station
Joe Alexander character Pit Boss
Constance Broge character Woman in Elevator
Sue Pierce character Mini-Mart Cashier
Floyd Levine character Tailor
Robert A. Ringler character Minister
Britt Barrett character Bridesmaid
Chauntae Davies character Bridesmaid
Alisa Allapach character Bridesmaid
Nicholas Furu character Stun Gun Boy
Angelica Flameno character Stun Gun Girl
Lily Winn character Screaming Girl
Katerina Moutsatsou character Eddie's Assistant
Faleolo Alailima character Tyson's Bodyguard
Rio Ahn character Orderly (uncredited)
John Jason Bailey character Ceasar's Palace Pimp (uncredited)
Guile Branco character Guest at Casino (uncredited)
Joey Brander character Student (uncredited)
Kaitlin Clark character Girl in Elevator (uncredited)
Natalie Cohen character Casino Patron #6 (uncredited)
Cody Deal character Roman Soldier at Caesar's Palace (uncredited)
Lanette Fugit character High Roller (uncredited)
Charlene Geisler character Katie - Girl in the elevator (uncredited)
David Hill character Parent Driving Jaguar (uncredited)
Mitch Holleman character Max - Student (uncredited)
Carrie Keagan character Casino Guest (uncredited)
Stephanie Mathis character Casino Guest (uncredited)
Anthony Mingilino character Precision Driver (uncredited)
Richard Reid character Vegas High Roller (uncredited)
Michael A. Rizza character Guy in the elevator (uncredited)
Heather Roop character Mom in Elevator (uncredited)
Joe Satriani character Guitarist in Wedding Band (uncredited)
Jessica Simons character Casino Guest (uncredited)
Tom Spano character Casino High Roller (uncredited)
Scott "Carrot Top" Thompson character Himself (uncredited)
Jaira Valenti character Bartender Hostess (uncredited)
Victor Yerrid character Tiger (uncredited)
Anat Gerber character Cocktail Waitress (uncredited)
