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
Russell Brand Aldous Snow
Judd Apatow Producer
Branscombe Richmond Keoki
Carla Gallo Gag Me Girl
June Diane Raphael Ann
Kirk Fox Mixer
Nicholas Stoller Director
Maria Thayer Wyoma
Ahna O'Reilly Leslie
Rodney Rothman Executive Producer
Taylor Wily Kemo
Gedde Watanabe Hotel Manager
Trula M. Marcus Lawyer on Crime Scene
Billy Bush Billy Bush (Self)
Gary Burritt Negative Cutter
Danny Wynands Stunts
Steve Landesberg Dr. Rosenbaum
Andy Malcolm Foley Artist
Jesse Heiman Theater Audience Member (uncredited), Stand In
Brian Keaulana Stunts
Tim Trella Second Unit Director, Stunt Coordinator
Jeanne McCarthy Casting
Peter Gray Lewis Suspect on Animal Instincts
Liz Cackowski Liz Bretter
Da'Vone McDonald Dwayne
Shauna Robertson Producer
Francesca Delbanco Hostess at Buffet
Cynthia Lamontagne Female Bartender
Michael Romano Electrician
Nicole Abellera Hallman Casting Associate
Wendy Hoffmann ADR Voice Casting
Jackson De Govia Production Design
Murray Miller Photographer
Adam Jenkins Sound Re-Recording Mixer
Greg Steele ADR Mixer
Michael Trisler Stunts
Leslie Woo Casting Assistant
James Matheny Dialogue Editor
Leesa Evans Costume Design
Chuck 'Chaz' Hosack Stunts
William Kerr Editor
Max Alexander Big Dracula Head
Greg Zimmerman ADR Recordist
Glen Wilson Still Photographer
Larry Kemp Dialogue Editor
Rich King Extras Casting
Jeff Graham First Assistant "B" Camera
Daniel Meursault Electrician
Orest Sushko Sound Re-Recording Mixer
Michael Oosterom Puppeteer
Casey Hotchkiss Camera Operator
Jon G. Belyeu Special Effects Coordinator
Gary Marcus First Assistant Director
John H. Samson Construction Coordinator
Richard Vane Executive Producer
Richard Van Dyke Production Sound Mixer
Cherie Tamai First Assistant Sound Editor
Molly Grundman-Gerbosi Key Costumer
Roy Seeger Foley Editor
Tammy Fearing ADR Supervisor
Linda Arnold Key Hair Stylist
Timothy Hedgecock Best Boy Electric