Paul Rudd Chuck
Mila Kunis Rachel Jansen
Jason Bateman Animal Instincts Detective
Kristen Bell Sarah Marshall
Jonah Hill Matthew Van Der Wyk
Kristen Wiig Yoga Instructor
Russell Brand Aldous Snow
Bill Hader Brian Bretter
June Diane Raphael Ann
Jason Segel Screenplay, Peter Bretter
Jack McBrayer Darald
William Baldwin Detective Hunter Rush
Judd Apatow Producer
Nicholas Stoller Director
Ahna O'Reilly Leslie
Branscombe Richmond Keoki
Carla Gallo Gag Me Girl
Maria Thayer Wyoma
Kirk Fox Mixer
Trula M. Marcus Lawyer on Crime Scene
Gedde Watanabe Hotel Manager
Rodney Rothman Executive Producer
Jeanne McCarthy Casting
Steve Landesberg Dr. Rosenbaum
Jesse Heiman Theater Audience Member (uncredited), Stand In
Liz Cackowski Liz Bretter
Nicole Abellera Hallman Casting Associate
Billy Bush Billy Bush (Himself)
Taylor Wily Kemo
Cynthia Lamontagne Female Bartender
Max Alexander Big Dracula Head
Kala Alexander Greg
Peter Gray Lewis Suspect on Animal Instincts
Shauna Robertson Producer
Leslie Woo Casting Assistant
Murray Miller Photographer
Cynthia C. Rebman Set Dresser
Danny Wynands Stunts
Andy Malcolm Foley Artist
Gary Burritt Negative Cutter
Brian Keaulana Stunts
Tim Trella Stunt Coordinator, Second Unit Director
Wendy Hoffmann ADR Voice Casting
Tanisha Harper Model
Da'Vone McDonald Dwayne
James Matheny Dialogue Editor
Goro Koyama Foley Artist
Michael Trisler Stunts
Gary Marcus First Assistant Director
Larry Kemp Dialogue Editor
Richard Vane Executive Producer
Greg Steele ADR Mixer
Peter Salett Keyboard Player
Phil Dagort Set Designer
Greg Zimmerman ADR Recordist
Cindy Marty Sound Effects Editor
Jerome Fauci "B" Camera Operator, Steadicam Operator
Leesa Evans Costume Design
Tammy Fearing ADR Supervisor
William Kerr Editor
Hayley Stuppel Set Costumer
Cherie Tamai First Assistant Sound Editor
Michelle Margolis Set Costumer
Rich King Extras Casting
Thom 'Coach' Ehle Dolby Consultant
Eugene McCarthy Property Master
Jonathan Karp Music Supervisor, Music Editor
Dov Samuel First Assistant Editor
Russ T. Alsobrook Director of Photography
Joe Schiff Foley Editor
Casey Hotchkiss Camera Operator
Claire Raskind Unit Publicist