Peter Bretter

Jason Segel

Acting

Sarah Marshall

Kristen Bell

Acting

Rachel Jansen

Mila Kunis

Acting

Aldous Snow

Russell Brand

Acting

Brian Bretter

Bill Hader

Acting

Matthew Van Der Wyk

Jonah Hill

Acting

Liz Bretter

Liz Cackowski

Acting

Darald

Jack McBrayer

Acting

Wyoma

Maria Thayer

Acting

Chuck

Paul Rudd

Acting

Animal Instincts Detective

Jason Bateman

Acting

Detective Hunter Rush

William Baldwin

Acting

Yoga Instructor

Kristen Wiig

Acting

Dwayne

Da'Vone McDonald

Acting

Dr. Rosenbaum

Steve Landesberg

Acting

Helpful Hawaiian Waiter

Kalani Robb

Acting

Photographer

Murray Miller

Writing

Kemo

Taylor Wily

Acting

Greg

Kala Alexander

Acting

Hostess at Buffet

Francesca Delbanco

Writing

Keoki

Branscombe Richmond

Acting

Billy Bush (Himself)

Billy Bush

Acting

Suspect on Animal Instincts

Peter Gray Lewis

Acting

Lawyer on Crime Scene

Trula M. Marcus

Acting

Mixer

Kirk Fox

Acting

Ann

June Diane Raphael

Acting

Leslie

Ahna O'Reilly

Acting

Model

Tanisha Harper

Acting

Gag Me Girl

Carla Gallo

Acting

Female Bartender

Cynthia Lamontagne

Acting

Big Dracula Head

Max Alexander

Acting

Spanish Sex Girl

Carla Alapont

Acting

Puppeteer

Michael Oosterom

Acting

Keyboard Player

Peter Salett

Acting

Theater Audience Member (uncredited)

Jesse Heiman

Acting

Hotel Manager

Gedde Watanabe

Acting