- Naomi Watts
- Ellie Parker
- Jennifer Syme
- Casting Chick
- Greg Freitas
- Rick Saul
- Gaye Pope
- Leslie Towne
- Blair Mastbaum
- Smash Jackson
- Jessica Vogl
- Trixie
- Rebecca Rigg
- Sam
- Mark Pellegrino
- Justin
- Kim Fay
- Therapist
- Scott Coffey
- Chris
- Todd Coffey
- Upstairs Neighbor
- David Baer
- Acting Teacher
- Marcel Sarmiento
- Acting Student
- Robbi Chong
- Acting Student
- Jessicka
- Acting Class Student
- Whitfield Crane
- Acting Student
- Brian McCardie
- Acting Student
- Bret Domrose
- Dogstar
- Robert Mailhouse
- Dogstar
- Debbie Leavit
- Vicodin Girl
- Keanu Reeves
- Dogstar
- Gabriella Wall
- 'Slut' Yelling Girl
- Fanshen Cox
- Receptionist
- Chevy Chase
- Dennis Swartzbaum
- Samantha Shelton
- Rainbow
- Julie Fay
- Therapist's Companion
- Kate Garwood
- Actress Before Ellie
- Victoria Smirnova
- Russian
- Sergei Bugayev
- Russian
- Cyrus Pahlavi
- Russian
- Johanna Ray
- Casting Director
