What Happens in Vegas

Cameron Diaz

As Joy McNally

Ashton Kutcher

As Jack Fuller

Rob Corddry

As Hater

Lake Bell

As Tipper

Jason Sudeikis

As Mason

Treat Williams

As Jack Fuller Sr.

Deirdre O'Connell

As Mrs. Fuller

Michelle Krusiec

As Chong

Dennis Farina

As Richard Banger

Zach Galifianakis

As Dave the Bear

Queen Latifah

As Dr. Twitchell

Krysten Ritter

As Kelly

Ricky Garcia

As Fuller Closets Worker

Andy Daly

As Curtis

Benita Robledo

As Maid

Dennis Miller

As Judge Whopper

Amanda Setton

As Hot Woman

Toni Busker

As Hot Woman #2

Jessica McKee

As Cute Girl

Ricardo Walker

As Male Cop (Stripper)

Valerie Orlik

As Female Cop (Stripper)

Ben Best

As Cab Driver

Clem Cheung

As Fruit Guy

Eric Zuckerman

As Tour Guide

Caroline Willman

As Sammy

Tommy McGoldrick

As Uncle Pat

Billy Eichner

As Band Leader

Heather Kristin

As Band Singer

Maddie Corman

As Joy's Lawyer

Jerry V. Lindsay

As Wedding Chapel Priest

Samantha Ridge

As Tourist

Richard M. Schaeffer

As NYMEX Trader #1

Michael P. Molnar

As NYMEX Trader #2

John Eisenberg

As NYMEX Trader #3

Ciaran T. O'Kelly

As NYMEX Trader #4

Jennifer Trier

As Aunt Fuller

Michael Harkins

As Team Leader

Patrick Knighton

As Team Leader #2

Adam Zuniga

As Mr. Chong "Brainiac"

Aaron Nauta

As Hater's Friend #1

Christopher Negrin

As Hater's Friend #2

Brittany Dawn Beall

As Party Girl #2

Ariel Shafir

As Party Guy #2

Sheena Alonzo

As Amanda Diamond

Bradley Morone

As Club Manager

Bob Golden

As Jazz Trio Member

Ron Carter

As Jazz Trio Member

Evan Palazzo

As Jazz Trio Member

Jason Keith Davis

As Ball Room Band Member

Ulysses Owens Jr.

As Ball Room Band Member

Michael Rodoja

As Ball Room Band Member

Jules Hartley

As Ball Room Band Member

Maya Jenkins

As Ball Room Band Member

Dave Gibson

As Ball Room Band Member

Brian M. Wixson

As Ball Room Band Member

Justin Flynn

As Ball Room Band Member

Josh Tane

As Ball Room Band Member

Russ Spiegel

As Ball Room Band Member

Martinez Little

As Ball Room Band Member

Darryl Reuben Hall

As Fuller's Furniture Maker (uncredited)

Joe Mancini

As Carpenter (uncredited)

Beth Laufer

As Becky (uncredited)

Harry Corrigan

As Skateboarder (uncredited)

Dennis Albanese

As Jack's Friend (uncredited)

Matthew Martini

As Jack's Friend (uncredited)

Cher Cosenza

As Joy's Friend (uncredited)

Maria Di Angelis

As Joy's Friend (uncredited)

Cassidy Gard

As Joy's Friend (uncredited)

Meagan Gordon

As Joy's Friend (uncredited)

August Costa

As Cousin Jack (uncredited)

Robert Gerrits

As Casino Security Officer (uncredited)

Adam Goodnoff Cernese

As Hummer Limo Driver (uncredited)

Delia Sheppard

As VIP Host (uncredited)

Anna Elizabeth Kendrick

As Cocktail Waitress (uncredited)

Lynn Witty

As Friend at Bar (uncredited)

Kutcha

As DJ #1 (uncredited)

Hector Lincoln

As DJ #2 (uncredited)

Bob Pepper

As Happy Gambler (uncredited)

Mauro Bossi

As Casino Patron (uncredited)

Charles Pendelton

As Tourist (uncredited)

Bruce Perkins

As Tourist (uncredited)

RJ Konner

As Lawyer (uncredited)

Brandon Goins

As Wall Street Guy at Party (uncredited)

Ronald E. Giles

As Dancing Executive (uncredited)

Rosalind Lipsett

As Model at Party (uncredited)

Myriam Blanckaert

As Party Goer (uncredited)

Stephanie Domini

As Party Goer (uncredited)

Audrey Fafard

As Party Goer (uncredited)

Vladimir Troitsky

As NYMEX Trader (uncredited)

Thomas Torrey

As NYMEX Trader (uncredited)

Jon Yvon

As NYMEX Trader (uncredited)

Ralph A. Wilburn Jr.

As Hot Dog Vendor (uncredited)

Tom Stratford

As Baseball Coach (uncredited)

Charlotte Johnston

As Softball Player (uncredited)

Mark Santomauro

As Bike Polo Player (uncredited)

Lanette Fugit Hannah

As Bachelor Girl (uncredited)

Nicole Dupre Sobchack

As Kissed Bride (uncredited)

Sarah Poynter

As (voice) (uncredited)