Mila Kunis Rachel Jansen
Paul Rudd Chuck
Jason Bateman Animal Instincts Detective
Kristen Bell Sarah Marshall
Jonah Hill Matthew Van Der Wyk
Bill Hader Brian Bretter
Kristen Wiig Yoga Instructor
Jason Segel Peter Bretter, Screenplay
William Baldwin Detective Hunter Rush
Jack McBrayer Darald
Judd Apatow Producer
Russell Brand Aldous Snow
Branscombe Richmond Keoki
Carla Gallo Gag Me Girl
June Diane Raphael Ann
Kirk Fox Mixer
Maria Thayer Wyoma
Rodney Rothman Executive Producer
Taylor Wily Kemo
Nicholas Stoller Director
Ahna O'Reilly Leslie
Gedde Watanabe Hotel Manager
Trula M. Marcus Lawyer on Crime Scene
Jesse Heiman Theater Audience Member (uncredited), Stand In
Billy Bush Billy Bush (Self)
Danny Wynands Stunts
Steve Landesberg Dr. Rosenbaum
Jeanne McCarthy Casting
Gary Burritt Negative Cutter
Andy Malcolm Foley Artist
Liz Cackowski Liz Bretter
Brian Keaulana Stunts
Da'Vone McDonald Dwayne
Shauna Robertson Producer
Greg Steele ADR Mixer
Tim Trella Second Unit Director, Stunt Coordinator
Francesca Delbanco Hostess at Buffet
Cynthia Lamontagne Female Bartender
Orest Sushko Sound Re-Recording Mixer
Wendy Hoffmann ADR Voice Casting
Peter Gray Lewis Suspect on Animal Instincts
Jackson De Govia Production Design
Murray Miller Photographer
Nicole Abellera Hallman Casting Associate
Adam Jenkins Sound Re-Recording Mixer
Leslie Woo Casting Assistant
Greg Zimmerman ADR Recordist
Michael Romano Electrician
Cindy Marty Sound Effects Editor
Andrew Francis Fenady Executive In Charge Of Production
Chuck 'Chaz' Hosack Stunts
William Kerr Editor
Casey Hotchkiss Camera Operator
James Matheny Dialogue Editor
Max Alexander Big Dracula Head
Nadia Paine Production Supervisor
Leesa Evans Costume Design
Tammy Fearing ADR Supervisor
Jeff Graham First Assistant "B" Camera
Gary Marcus First Assistant Director
Daniel Meursault Electrician
Michael Oosterom Puppeteer
Richard Vane Executive Producer
Jon G. Belyeu Special Effects Coordinator
Alicia Maccarone Set Designer
Goro Koyama Foley Artist
Lyle Workman Orchestrator, Original Music Composer
John H. Samson Construction Coordinator
Michael Trisler Stunts
Richard Van Dyke Production Sound Mixer
Cherie Tamai First Assistant Sound Editor
Rich King Extras Casting