Bradley Cooper

Phil Wenneck

Brody Stevens

Officer Foltz

Todd Phillips

Mr. Creepy

Mike Vallely

Neeco

James Martin Kelly

Police Clerk

Andrew Astor

Eli

Chauntae Davies

Bridesmaid

Alisa Allapach

Bridesmaid

Katerina Moutsatsou

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)

Mitch Holleman

Max - Student (uncredited)

Heather Roop

Mom in Elevator (uncredited)

Joe Satriani

Guitarist in Wedding Band (uncredited)

Carrot Top

Himself (uncredited)

Dan Finnerty

Wedding Singer

Gillian Vigman

Stephanie