Bradley Cooper

Phil Wenneck

(Acting)

Ed Helms

Stu Price

(Acting)

Zach Galifianakis

Alan Garner

(Acting)

Justin Bartha

Doug Billings

(Acting)

Heather Graham

Jade

(Acting)

Sasha Barrese

Tracy Garner

(Acting)

Jeffrey Tambor

Sid Garner

(Acting)

Ken Jeong

Mr. Chow

(Acting)

Rachael Harris

Melissa

(Acting)

Mike Tyson

Himself

(Acting)

Mike Epps

Black Doug

(Acting)

Jernard Burks

Leonard

(Acting)

Rob Riggle

Officer Franklin

(Acting)

Cleo King

Officer Garden

(Acting)

Bryan Callen

Eddie Palermo

(Acting)

Matt Walsh

Dr. Valsh

(Acting)

Ian Anthony Dale

Chow's #1

(Acting)

Michael Li

Chow's #2

(Crew)

Sondra Currie

Linda

(Acting)

Gillian Vigman

Stephanie

(Acting)

Nathalie Fay

Lisa

(Acting)

Chuck Pacheco

Hotel Guest at Valet

(Acting)

Jesse Erwin

Hotel Valet

(Acting)

Dan Finnerty

Wedding Singer

(Acting)

Keith Lyle

Casino Dealer

(Acting)

Brody Stevens

Officer Foltz

(Acting)

Todd Phillips

Mr. Creepy

(Directing)

Mike Vallely

Neeco

(Acting)

James Martin Kelly

Police Clerk

(Acting)

Murray Gershenz

Felix

(Acting)

Andrew Astor

Eli

(Acting)

Casey Margolis

Budnick

(Acting)

Ken Flaherty

Old Timer at Gas Station

(Acting)

Joe Alexander

Pit Boss

(Camera)

Constance Broge

Woman in Elevator

(Acting)

Sue Pierce

Mini-Mart Cashier

(Acting)

Floyd Levine

Tailor

(Acting)

Robert A. Ringler

Minister

(Acting)

Britt Barrett

Bridesmaid

(Acting)

Chauntae Davies

Bridesmaid

(Acting)

Alisa Allapach

Bridesmaid

(Acting)

Nicholas Furu

Stun Gun Boy

(Acting)

Angelica Flameno

Stun Gun Girl

(Acting)

Lily Winn

Screaming Girl

(Acting)

Katerina Moutsatsou

Eddie's Assistant

(Acting)

Faleolo Alailima

Tyson's Bodyguard

(Acting)

Rio Ahn

Orderly (uncredited)

(Acting)

John Jason Bailey

Ceasar's Palace Pimp (uncredited)

(Acting)

Guile Branco

Guest at Casino (uncredited)

(Acting)

Joey Brander

Student (uncredited)

(Acting)

Kaitlin Clark

Girl in Elevator (uncredited)

(Acting)

Natalie Cohen

Casino Patron #6 (uncredited)

(Acting)

Cody Deal

Roman Soldier at Caesar's Palace (uncredited)

(Acting)

Lanette Fugit

High Roller (uncredited)

(Acting)

Charlene Geisler

Katie - Girl in the elevator (uncredited)

(Acting)

David Hill

Parent Driving Jaguar (uncredited)

(Acting)

Mitch Holleman

Max - Student (uncredited)

(Acting)

Carrie Keagan

Casino Guest (uncredited)

(Acting)

Stephanie Mathis

Casino Guest (uncredited)

(Acting)

Anthony Mingilino

Precision Driver (uncredited)

(Acting)

Richard Reid

Vegas High Roller (uncredited)

(Acting)

Michael A. Rizza

Guy in the elevator (uncredited)

(Acting)

Heather Roop

Mom in Elevator (uncredited)

(Acting)

Joe Satriani

Guitarist in Wedding Band (uncredited)

(Acting)

Jessica Simons

Casino Guest (uncredited)

(Acting)

Tom Spano

Casino High Roller (uncredited)

(Acting)

Carrot Top

Himself (uncredited)

(Acting)

Jaira Valenti

Bartender Hostess (uncredited)

(Acting)

Victor Yerrid

Tiger (uncredited)

(Acting)

Anat Gerber

Cocktail Waitress (uncredited)

(Acting)