- Jessica Rothe
- Julie
- Josh Whitehouse
- Randy
- Jessie Ennis
- Stacey
- Ashleigh Murray
- Loryn
- Chloe Bennet
- Karen
- Logan Paul
- Mickey
- Mae Whitman
- Jack
- Mario Revolori
- Sticky
- Rob Huebel
- Steve
- Judy Greer
- Diana
- Alex Lewis
- Casper
- Alex MacNicoll
- Brad
- Danny Ramirez
- Chip
- Andrew Kai
- Rob
- Allyn Rachel
- Raechel Donahue
- Randall Park
- Principal Evans
- Thomas Lennon
- Rodney Bingenheimer
- Chris Tavarez
- Roger
- Camila Morrone
- Ruby
- Emma Fassler
- Drunken Princess
- Dan Thiel
- Mickey's Dad
- Betsy Sodaro
- Tough Bouncer
- Brittany Panzer
- Rocker Girl
- Mary Neely
- Felecia
- Peyton List
- Courtney - Cheerleader
- Bill Kottkamp
- Wastoid
- Deborah Foreman
- Shopgirl
- Elizabeth Daily
- Mickey's Mom
- Josh Fadem
- Gary
- Nicole Byer
- Deejay
- Heidi Holicker
- Mrs. H
- Eric Garcetti
- Mr. G
- Jennie Pierson
- Ms. Bostwick
- Fred Tallaksen
- Referee
- Zachary Barnett
- American Authors - Singer / Keyboards
- Shelley James
- American Authors - Guitar
- David Rublin
- American Authors - Bass
- Matthew Sanchez
- American Authors - Drums
- Lindsey Troy
- Deep Valley - Vocals / Guitar (as Lindsey Suzanne Troy)
- Julie Scott Edwards
- Deep Valley - Vocals / Drums
- Trevor Brunsink
- Guy at Door
- Carly Anderson
- Dancer
- Bobby Amamizu
- Dancer
- Nicholas Azarian
- Nerdy Bruce Springstein
- Sybil Azur
- Mall Dancer
- Jennifer Bermeo
- Mash Up Dancer
- Khasan Brailsford
- Dancer
- Ryan Allen Carrillo
- Roller Skater
- Dominic Chaiduang
- Pier Dancer
- Cindera Che
- Beach Tai-Chi People
- Amanda Cleghorn
- Dancer
- Kimberly Cole
- Roller Skater
- Antwon Keith Collier
- Pier Hot Guy
- Tiffany Daniels
- Dancer
- Nick Drago
- Dancer
- Mark Casimir Dyniewicz Jr.
- Weirdo
- Kelli Erdmann
- Freshman Tag Along
- Chrystall Friedemann
- Cyndi Lauper
- Victoria Gale
- Dancer
- Fatimah Hassan
- Beach Umbrella Girl #1
- Dylan James Holt
- Dylan Holt
- Stefanie Klausmann
- Roller Skater
- Garry Knight
- Alvin
- Kurt Koehler
- Ruby's Dad
- Valeriya Kovaleva
- Prom Classmate
- Leo Lam
- Prince
- Morgan Larson
- Cheerleader
- Ashanti Ledon
- Party Dancer
- Chris Liu
- Volleyball Dancer
- Pedro Lozano
- Punk in Bar
- Brandon Mitchell
- Skater
- Kc Monnie
- Richard Simmons
- Chris Moss
- Dancer
- Cassidy Noblett
- Self - Dancer
- Ryan Novak
- Dancer
- Chris Nuñez
- Punk
- Simrin C. Player
- Dancer / Cheerleader (uncredited)
- Bill Prudich
- Dancer
- Ryan Ramirez
- Pier Dancer
- Katie Reese
- Dancer
- Sandra Rosko
- Punk Rocker
- Julie Schmid
- Mall Shopper
- Lauren See
- Cashier / Student (uncredited)
- Alicia Silverstone
- Older Julie
- Austin Spacy
- Punk
- Jimmy Star
- Teacher
- Amanda Suk
- Dancer
- Mason Trueblood
- Arcade Nerd
- Tiffany Tynes
- Pier Dancer
- Victoria Van Fleet
- Dancer / High School Student (uncredited)
- Shantiel Alexis Vazquez
- Mall Goer / Escalator Dancer (uncredited)
- Dani Vitale
- Dancer
- Minn Vo
- Skateboarder
- Connor Williams
- Toby
- Paula Beck Williams
- Soda Shop Patron / Escalator Dancer (uncredited)
- Seth Zielicke
- Waiter
