Bradley Cooper

Phil Wenneck

Ed Helms

Stu Price

Zach Galifianakis

Alan Garner

Justin Bartha

Doug Billings

Heather Graham

Jade

Sasha Barrese

Tracy Garner

Jeffrey Tambor

Sid Garner

Ken Jeong

Mr. Chow

Rachael Harris

Melissa

Mike Tyson

Mike Tyson

Mike Epps

Black Doug

Jernard Burks

Leonard

Rob Riggle

Officer Franklin

Cleo King

Officer Garden

Bryan Callen

Eddie Palermo

Matt Walsh

Dr. Valsh

Ian Anthony Dale

Chow's #1

Sondra Currie

Linda

Gillian Vigman

Stephanie

Nathalie Fay

Lisa

Chuck Pacheco

Hotel Guest at Valet

Jesse Erwin

Hotel Valet

Dan Finnerty

Wedding Singer

Brody Stevens

Officer Foltz

Todd Phillips

Mr. Creepy

Mike Vallely

Neeco

James Martin Kelly

Police Clerk

Andrew Astor

Eli

Floyd Levine

Tailor

Chauntae Davies

Bridesmaid

Alisa Allapach

Bridesmaid

Angelica Flameno

Stun Gun Girl

Κατερίνα Μουτσάτσου

Eddie's Assistant

Cody Deal

Roman Soldier at Caesar's Palace (uncredited)

Natalie Cohen

Casino Guest (uncredited)

Carrie Keagan

Casino Guest (uncredited)

Guile Branco

Casino Guest (uncredited)

Richard Alan Reid

Casino High Roller (uncredited)

David Hill

Parent Driving Jaguar (uncredited)

Mitch Holleman

Max - Student (uncredited)

Heather Roop

Mom in Elevator (uncredited)

Joe Satriani

Guitarist in Wedding Band (uncredited)

Carrot Top

Himself (uncredited)

Victor Yerrid

Tiger (uncredited)