Mila Kunis Rachel Jansen
Paul Rudd Chuck
Jason Bateman Animal Instincts Detective
Kristen Bell Sarah Marshall
William Baldwin Detective Hunter Rush
Bill Hader Brian Bretter
Kristen Wiig Yoga Instructor
Jonah Hill Matthew Van Der Wyk
Jason Segel Screenplay, Peter Bretter
Russell Brand Aldous Snow
Jack McBrayer Darald
Kirk Fox Mixer
June Diane Raphael Ann
Steve Landesberg Dr. Rosenbaum
Trula M. Marcus Lawyer on Crime Scene
Branscombe Richmond Keoki
Carla Gallo Gag Me Girl
Taylor Wily Kemo
Judd Apatow Producer
Cynthia Lamontagne Female Bartender
Gedde Watanabe Hotel Manager
Max Alexander Big Dracula Head
Kala Alexander Greg
Murray Miller Photographer
Nicholas Stoller Director
Cynthia C. Rebman Set Dresser
Maria Thayer Wyoma
Danny Wynands Stunts
Rodney Rothman Executive Producer
Ahna O'Reilly Leslie
Tanisha Harper Model
Gary Burritt Negative Cutter
Phil Dagort Set Designer
Tim Trella Stunt Coordinator, Second Unit Director
Brian Keaulana Stunts
Tom Rebber Transportation Captain
Curtis Bradford Gaffer
Da'Vone McDonald Dwayne
Vickie Mynes Hairstylist
Greg Steele ADR Mixer
Jeff Graham First Assistant "B" Camera
Thom 'Coach' Ehle Dolby Consultant
Jerome Fauci "B" Camera Operator, Steadicam Operator
Jeanne McCarthy Casting
Chet Leonard Cableman
James Matheny Dialogue Editor
Kalani Robb Helpful Hawaiian Waiter
Peter Gray Lewis Suspect on Animal Instincts
Billy Bush Billy Bush (Himself)
Andy Malcolm Foley Artist
Chuck 'Chaz' Hosack Stunts
Jackson De Govia Production Design
Hayley Stuppel Set Costumer
Carla Alapont Spanish Sex Girl
Jesse Heiman Theater Audience Member (uncredited), Stand In
Joe Schiff Foley Editor
Gary Marcus First Assistant Director
Goro Koyama Foley Artist
Shauna Robertson Producer
Samantha Bahramian Electrician
Francesca Delbanco Hostess at Buffet
Liz Cackowski Liz Bretter
George H. Anderson Supervising Sound Editor
Rich King Extras Casting
Hector Corona Electrician
Casey Hotchkiss Camera Operator
Wendy Hoffmann ADR Voice Casting
Michael Trisler Stunts
Molly Grundman-Gerbosi Key Costumer
Roy Seeger Foley Editor
Robert Murphy Electrician
Nicole Abellera Hallman Casting Associate