Mila Kunis Rachel Jansen
Jason Bateman Animal Instincts Detective
Kristen Bell Sarah Marshall
Jonah Hill Matthew Van Der Wyk
Paul Rudd Chuck
Kristen Wiig Yoga Instructor
William Baldwin Detective Hunter Rush
Bill Hader Brian Bretter
Carla Gallo Gag Me Girl
Ahna O'Reilly Leslie
Jack McBrayer Darald
Kirk Fox Mixer
Judd Apatow Producer
Richard Vane Executive Producer
Grace Lambert Pyke Key Costumer
Russell Brand Aldous Snow
Steve Landesberg Dr. Rosenbaum
June Diane Raphael Ann
Maria Thayer Wyoma
T. Daniel Scaringi Key Grip
Wendy Hoffmann ADR Voice Casting
Da'Vone McDonald Dwayne
K.C. Fox Set Decoration
Gedde Watanabe Hotel Manager
Desne J. Holland Makeup Artist
Jackson De Govia Production Design
Rich King Extras Casting
Taylor Wily Kemo
D. Scott Easton Unit Production Manager
Cynthia Lamontagne Female Bartender
Max Alexander Big Dracula Head
Rigney Sackley Second Assistant "A" Camera
Russ T. Alsobrook Director of Photography
Kala Alexander Greg
Murray Miller Photographer
Rodney Rothman Executive Producer
Scott Meehan Art Direction
Shauna Robertson Producer
Cynthia C. Rebman Set Dresser
Michael Trisler Stunts
Jeanne McCarthy Casting
Jason Segel Screenplay, Peter Bretter
Molly Grundman-Gerbosi Key Costumer
Greg Steele ADR Mixer
Nicholas Stoller Director
Alicia Maccarone Set Designer
Ariel Gold Set Costumer
Sarah Sprague Production Coordinator
Jerome Fauci "B" Camera Operator, Steadicam Operator
Trula M. Marcus Lawyer on Crime Scene
Brian Keaulana Stunts
Branscombe Richmond Keoki
Peter Gray Lewis Suspect on Animal Instincts
Danny Wynands Stunts
Eugene McCarthy Property Master
Tanisha Harper Model
Timothy Hedgecock Best Boy Electric
Peter Salett Keyboard Player
Larry Kemp Dialogue Editor
Michael Wahl Dolly Grip
Michael Oosterom Puppeteer
Brent Rice Leadman
Phil Dagort Set Designer
Roy Seeger Foley Editor
Jennifer Möller Art Department Coordinator
Cindy Marty Sound Effects Editor
Jimmy Fusil Digital Intermediate Producer
Billy Bush Billy Bush (Himself)
Tim Trella Stunt Coordinator, Second Unit Director
Dov Samuel First Assistant Editor
Chamonix Bosch Second Second Assistant Director
Linda Arnold Key Hair Stylist