- Cameron Diaz
- Elizabeth Halsey
- Lucy Punch
- Amy Squirrel
- Jason Segel
- Russell Gettis
- Justin Timberlake
- Scott Delacorte
- Phyllis Smith
- Lynn Davies
- John Michael Higgins
- Principal Wally Snur
- Dave Allen
- Sandy Pinkus
- Jillian Armenante
- Ms. Pavicic
- Matthew J. Evans
- Garrett Tiara
- Kaitlyn Dever
- Sasha Abernathy
- Kathryn Newton
- Chase Rubin-Rossi
- Igal Ben-Yair
- Arkady
- Aja Bair
- Devon - Chase's Friend
- Andra Nechita
- Gaby
- Noah Munck
- Tristan
- Finneas O'Connell
- Spencer
- Daniel Castro
- Rodrigo - Acne Kid
- Adrian Kali Turner
- Shawn
- Eric Stonestreet
- Kirk
- Thomas Lennon
- Carl Halabi
- Paul Bates
- School Superintendent
- Jeff Judah
- Janitor
- Nat Faxon
- Mark
- Stephanie Faracy
- Mrs. Pubich
- David Paymer
- Doctor Vogel
- Alanna Ubach
- Angela
- Christine Smith
- Danni
- Paul Feig
- Dad at Carwash
- Deirdre Lovejoy
- Sasha's Mother
- Melvin Mar
- Male Teacher - Bathroom
- Rose Abdoo
- School Secretary
- Jerry Lambert
- Morgan's Dad
- Jennifer Irwin
- Chase's Mom
- Christopher Rockwell
- Chase's Dad
- David Doty
- Armando the Homeless Guy
- Molly Shannon
- Melody - Garrett's Mom
- Rick Overton
- Philip
- Danny Trap
- Cowboy at Palace
- Matt Besser
- Abraham Lincoln - Tour Guide
- Lee Eisenberg
- Blacksmith (Re-Enactor)
- Bruno Gunn
- Police Officer
- Jordan Van Vranken
- Crying Girl
- Richard Bernard
- Dancer in Cowboy Palace
- Kadee Noel Brown
- Student in Elizabeth's Class
- B.J. Bugert
- Student
- Daniel Cohen
- Kid in Elizabeth's Classroom
- Austin Michael Coleman
- 8th Grade Student
- Noah Dahl
- Dim Looking Boy
- Youlanda Davis
- Drama Teacher
- Christina Gabrielle
- 8th Grade Student
- Andy Scott Harris
- Flamboyant Boy
- Jennifer Holloway
- Sheila
- Dot-Marie Jones
- Pill-Providing Lady
- Laurie Landry
- Ms. Landry
- Monique Marissa Lukens
- Cowboy Palace Dancer
- Christopher Mason
- Student
- Lindsay McGrail
- Teacher at Party
- Daniel Messier
- P.E. Teacher
- Keith Middlebrook
- Mr. Vanderbilt
- Scott Moran
- Johnny Walker Red
- William Nero Jr.
- Student's brother
- Sydney Sanchez
- Student
- Ryan Seacrest
- Self
- Bridget Shergalis
- Cara
- Bruno Souza
- School manager
- Clara Soyoung
- Teacher
- Victoria Strauss
- Student
- Joanna Theobalds
- Nurse
- Preston Thompson
- 8th Grader
- J. Elvis Weinstein
- Bass Player
