Peter Bretter

Sarah Marshall

Rachel Jansen

Aldous Snow

Brian Bretter

Matthew Van Der Wyk

Liz Bretter

Darald

Wyoma

Chuck

Animal Instincts Detective

Detective Hunter Rush

Yoga Instructor

Dwayne

Dr. Rosenbaum

Helpful Hawaiian Waiter

Photographer

Kemo

Greg

Hostess at Buffet

Keoki

Billy Bush (Himself)

Suspect on Animal Instincts

Lawyer on Crime Scene

Mixer

Ann

Leslie

Model

Gag Me Girl

Female Bartender

Big Dracula Head

Spanish Sex Girl

Puppeteer

Keyboard Player

Theater Audience Member (uncredited)

Hotel Manager