Trailer
 | Nick Robinson as Simon Spier |
 | Josh Duhamel as Jack Spier |
 | Jennifer Garner as Emily Spier |
 | Katherine Langford as Leah Burke |
 | Alexandra Shipp as Abby Suso |
 | Logan Miller as Martin Addison |
 | Keiynan Lonsdale as Abraham "Bram" Greenfeld |
 | Jorge Lendeborg Jr. as Nick Eisner |
 | Talitha Bateman as Nora Spier |
 | Tony Hale as Mr. Worth |
 | Natasha Rothwell as Ms. Albright |
 | Miles Heizer as Cal Price |
 | Joey Pollari as Lyle |
 | Clark Moore as Ethan |
 | Drew Starkey as Garrett Laughlin |
 | Mackenzie Lintz as Taylor |
 | Cassady McClincy as Jackie |
 | Alex Sgambati as Claire |
 | Jamila Thompson as Additional Posse Girl |
 | Emily Jordan as Creekwood Girl |
 | Patrick Donohue as Math Teacher |
 | Terayle Hill as Spencer |
 | Tyler Chase as Aaron |
 | Haroon Khan as Suraj |
| David Copeland Brown Jr. as Tyler |
 | Joshua Mikel as Ride Operator |
 | Nicholas Stargel as Fantasy Teen |
 | Nancy De Mayo as Mrs. Eisner |
 | Christian Ojore Mayfield as Mr. Eisner |
| Chantell D. Christopher as Mrs. Suso |
 | Mandy Fason as Mrs. Burke |
 | Philip Covin as Mr. Burke |
| Alyssa Riley Burrell as Leah's Sister |
| Robbie Rogers as The Coach |
 | Jonathan Fritschi as Dancer |
| Matthew Laraway as Dancer |
 | Dylan Cheek as Dancer |
 | Danni Heverin as Dancer |
 | Bryson Pitts as 10-Year-Old Simon Spier (uncredited) |
 | Nye Reynolds as 5-Year-Old Simon Spier (uncredited) |
| Skye Mowbray as 6-Year-Old Nora Spier (uncredited) |
| Samantha Bulka as Ethan's Posse (uncredited) |
| Baz Ma as Ethan's Posse (uncredited) |
| Natalia Tureta as Ethan's Posse (uncredited) |
| Briana Estevez as Cheerleader (uncredited) |
| Jönah-Blainé Bowling as Trendy Jock (uncredited) |
 | Sean O'Donnell as High School Student (uncredited) |
| Collin McHugh as High School Student (uncredited) |
| Abigail Houck as High School Student (uncredited) |
| Jodi Houck as Parent (uncredited) |
| Josh Royston as Parent (uncredited) |
| James Sterling as Parent (uncredited) |
| Tyson Love as Football Parent (uncredited) |
| Roy Coulter as Football Official (uncredited) |
| Production | |
| Timothy M. Bourne | Executive Producer |
| Marty Bowen | Producer |
| Wyck Godfrey | Producer |
| Isaac Klausner | Producer |
| Pouya Shahbazian | Producer |
Editing | |
| Harry Jierjian | Editor |
Production | |
| Denise Chamian | Casting |
Costume & Make-Up | |
| Jared Bowen | Makeup Artist |
Production | |
| Heath M. Howard | Production Supervisor |
Art | |
| Justin DeMartino | Set Dresser |
| Anna J. DeMildt | Art Department Assistant |
Editing | |
| Jonathan Carbonaro | Digital Intermediate |
Camera | |
| Scott W. Leftridge | Key Grip |
Production | |
| Ben Rothstein | Casting Associate |
Art | |
| Brandon Gorrell | Location Scout |
| Mela Rayne | Location Scout |
Crew | |
| Zackary Ballou | Production Intern |
Production | |
| Steve Cainas | Production Coordinator |
| M. Ross-Michaels | Production Accountant |
Crew | |
| Deborah Simmrin | Unit Publicist |
| Barry Strait | Set Medic |
| J. P. Valenti | Stand In |
| Nathan Wind | Production Office Assistant |
Writing | |
| Isaac Aptaker | Screenplay |
| Elizabeth Berger | Screenplay |
Directing | |
| Greg Berlanti | Director |
Production | |
| Chris McEwen | Co-Producer |
Sound | |
| Rob Simonsen | Original Music Composer |
Writing | |
| Becky Albertalli | Novel |
Camera | |
| John Guleserian | Director of Photography |
