Peter Bretter
Jason Segel
Sarah Marshall
Kristen Bell
Animal Instincts Detective
Jason Bateman
Detective Hunter Rush
William Baldwin
Yoga Instructor
Kristen Wiig
Dwayne
Da'Vone McDonald
Dr. Rosenbaum
Steve Landesberg
Helpful Hawaiian Waiter
Kalani Robb
Photographer
Murray Miller
Kemo
Taylor Wily
Greg
Kala Alexander
Hostess at Buffet
Francesca Delbanco
Rachel Jansen
Mila Kunis
Keoki
Branscombe Richmond
Billy Bush (Himself)
Billy Bush
Suspect on Animal Instincts
Peter Gray Lewis
Lawyer on Crime Scene
Trula M. Marcus
Mixer
Kirk Fox
Ann
June Diane Raphael
Leslie
Ahna O'Reilly
Model
Tanisha Harper
Gag Me Girl
Carla Gallo
Female Bartender
Cynthia Lamontagne
Aldous Snow
Russell Brand
Big Dracula Head
Max Alexander
Spanish Sex Girl
Carla Alapont
Puppeteer
Michael Oosterom
Keyboard Player
Peter Salett
Theater Audience Member (uncredited)
Jesse Heiman
Hotel Manager
Gedde Watanabe
Brian Bretter
Bill Hader
Matthew Van Der Wyk
Jonah Hill
Liz Bretter
Liz Cackowski
Darald
Jack McBrayer
Wyoma
Maria Christina Thayer
Chuck
Paul Rudd
Stunts
Brian L. Keaulana
Danny Wynands
Foley Artist
Goro Koyama
Supervising Sound Editor
George H. Anderson
Stand In
Michael Trisler
Second Unit Director
Tim Trella
Stunt Coordinator
ADR Voice Casting
Wendy Hoffmann
Screenplay
Producer
Judd Apatow
Executive Producer
Rodney Rothman
Director
Nicholas Stoller
Director of Photography
Russ T. Alsobrook
Editor
William Kerr
Richard Vane
Shauna Robertson
Best Boy Electric
Timothy Hedgecock
Electrician
Samantha Bahramian
Special Effects Coordinator
Jon G. Belyeu
Jason Young
Daniel L. Magat
Assistant Editor
Brian Scott Olds
Payroll Accountant
Angela Randazzo
Hector Corona
Dolly Grip
Michael Wahl
Art Department Coordinator
Jennifer Möller
First Assistant Editor
Dov Samuel
Foley Editor
Roy Seeger
ADR Supervisor
Tammy Fearing
Dialogue Editor
Larry Kemp
First Assistant Sound Editor
Cherie Tamai
Casting Assistant
Leslie Woo
Joe Schiff
Assistant Accountant
Carole Humphreys
Casting Associate
Nicole Abellera Hallman
Robert Murphy
Key Grip
T. Daniel Scaringi
James Matheny
Production Accountant
Jan Dennehy
Sound Effects Editor
Cindy Marty
Post Production Accountant
Missy Eustermann
Best Boy Grip
Robert Chinello
Sound Re-Recording Mixer
Orest Sushko
Adam Jenkins
Transportation Captain
Tom Rebber
Orchestrator
Lyle Workman
Second Second Assistant Director
Chamonix Bosch
Construction Foreman
Damon Hight
ADR Mixer
Greg Steele
Transportation Coordinator
William Ballard
Construction Coordinator
John H. Samson
Unit Publicist
Claire Raskind
Still Photographer
Glen Wilson
ADR Recordist
Greg Zimmerman
Music Editor
Jonathan Karp
Digital Intermediate Producer
Jimmy Fusil
Negative Cutter
Gary Burritt
Extras Casting
Rich King
Dolby Consultant
Thom 'Coach' Ehle
Andy Malcolm
Original Music Composer
Casting
Jeanne McCarthy
Production Design
Jackson De Govia
Unit Production Manager
D. Scott Easton
Don Zepfel
Costume Design
Leesa Evans
Second Assistant Director
Dawn Massaro
Music Supervisor
First Assistant Director
Gary Marcus
Set Decoration
K.C. Fox
Leadman
Brent Rice
"B" Camera Operator
Jerome Fauci
Set Designer
Alicia Maccarone
Steadicam Operator
Camera Operator
Casey Hotchkiss
Natalie Bridgman
Phil Dagort
Chuck 'Chaz' Hosack
Art Direction
Bill Matthews
Production Supervisor
Nadia Paine
Scott Meehan
Assistant Property Master
Doug DuRose
Key Makeup Artist
Tracey Levy
Script Supervisor
Brenda Lopez
Production Sound Mixer
Richard Van Dyke
Cableman
Chet Leonard
Makeup Artist
Desne J. Holland
Second Assistant "B" Camera
Dan Squires
First Assistant "B" Camera
Jeff Graham
Second Assistant "A" Camera
Rigney Sackley
Property Master
Eugene McCarthy
Boom Operator
Kraig Kishi
Production Coordinator
Sarah Sprague
First Assistant "A" Camera
Jason Garcia
Set Buyer
Peggy Casey
Key Hair Stylist
Linda Arnold
Set Dresser
Cynthia C. Rebman
Costume Supervisor
Suzanne Cranfill
Key Costumer
Molly Grundman-Gerbosi
Set Costumer
Ariel Gold
Hayley Stuppel
Grace Lambert Pyke
Michelle Margolis
Gaffer
Curtis Bradford
Hairstylist
Vickie Mynes