- Bridgit Mendler
- Olivia
- Adam Hicks
- Wen
- Hayley Kiyoko
- Stella
- Naomi Scott
- Mohini
- Blake Michael
- Charlie
- Nick Roux
- Scott
- Chris Brochu
- Ray
- Shishir Kurup
- Mo's Father
- Tisha Campbell
- Miss Reznick
- Christopher McDonald
- Principal Brenigan
- Bob Jesser
- Wen's Dad
- Aimee Dale
- Stella's Mom
- Ariana Smythe
- Sydney
- Caitlin Ribbans
- Jules
- Elise Eberle
- Patty
- Riti Sachdeva
- Mo's Mother
- Judith Rane
- Gram
- Tom Romero
- Mr. Prichard
- Leedy Corbin
- Georgie
- Tomas Sanchez
- Cop
- Ed Duran
- Beefy Guy #1
- Jermaine Washington
- Beefy Guy #2
- Brendan Clark
- Timothy
- Paul Clark
- Andrew
- Scott Takeda
- Stella's Dad
- Isaac Kappy
- Mel
- Pamela McCreary
- Secretary
- Johnnie Hector
- Coach
- Phil Luna
- Charlie's Dad
- Lora Martinez-Cunningham
- Charlie's Mom
- Ryan Montano
- Tommy
- Jayna Sweet
- Victoria
- Chiara Brokaw
- Alex
- Nicholas Martinez
- Freshman Singer
- Lauren Poole
- Moxie Morris
- Christopher Scott
- Dancer
- Luis Rosado
- Dancer
- Brandon Shaw
- Dancer
- Jamile McGee
- Dancer
- Lance Guillermo
- Dancer
- David Shreibman
- Dancer
- Jesse 'Casper' Brown
- Dancer
- Cindy Robinson
- Additional Voices
- Martin Edward Andazola
- Concert attendee in Hawaiian Shirt
- Phil Arnold
- High School Music Teacher
- Aarti K. Attreya
- Extra
- Richard Barela
- Faculty Member
- Kaitlyn Barlow
- Cheerleader
- Will D. Barnes III
- Pizza Restaurant Employee
- Arthur Bedran
- High school student
- Derek Blakeney
- Police Officer
- Tina Borek
- Band Roadie
- Steven Ray Byrd
- Detective
- Lance Capaldi
- Ticket Taker
- Eriks Chase
- Basketball Coach
- Shane Crown
- Turbo Blast Runner
- Travis Dockter
- Soccer Player
- Joshua Drew
- Dancer
- John H. Euber
- Wen's Grandfather
- Jared Giese
- Shakespeare Club / Basement Kid (uncredited)
- Daniel Madison Hart
- Football Captain
- Karen M. Hudson
- Wedding Guest with hat
- Chapman Hyatt
- Lyle
- Bob Kaye
- Ray's Dad
- Lava G. Khonsuwon
- Turbo Blast Yoga Girl
- Rodger Larance
- Bus Driver
- Beth Lucero
- High School Student
- Mat Mahboub
- Audience Member
- Justin D. Moore
- Concert Goer
- David T. Quan
- Videographer / Roadie (uncredited)
- Grizelda Quintana
- Teacher
- Kelly Ruble
- TV Floor Manager
- James Lawrence Sicard
- Turbo Blast Sponsor
- Michael E. Stogner
- Parent
- Michael R. Tafoya
- Victim / Police Station (uncredited)
- Barry R. White
- Stage Crew Member
