 | Will Ferrell | | Brad Whitaker |
| Mark Wahlberg | | Dusty Mayron |
| Linda Cardellini | | Sara |
| Thomas Haden Church | | Leo Holt |
| Scarlett Estevez | | Megan |
| Owen Vaccaro | | Dylan (as Owen Wilder Vaccaro) |
| Bobby Cannavale | | Dr. Francisco |
| Hannibal Buress | | Griff |
| Bill Burr | | Jerry (Bully's Dad) |
| Jamie Denbo | | Doris |
| Mark L. Young | | Dental Hygienist |
| Matthew Paul Martinez | | Pete (Recording Engineer) |
| Dave Davis | | Panda Singer #1 |
| James Harlon Palmer | | Panda Singer #2 |
| Riley Ann Corbin | | Hello Kitty Girl |
| LaJessie Smith | | Jean Jacket (as La' Jessie Smith) |
| Billy 4 Johnston | | Red-Head Kid (as Billy Johnston) |
| Olivia Renee Dupepe | | 4th Grade Bully Girl (as Olivia Dupepe) |
| Billy Slaughter | | Instigator Dad |
| LaMonica Garrett | | Marco (Lakers Coach) |
| Nathaniel Woolsey | | Beer Vendor |
| Kobe Bryant | | Kobe Bryant |
| John Cena | | Cool Dad |
| Alessandra Ambrosio | | Karen |
| Didi Costine | | Adrianna (as Adriana Costine) |
| Hector Presedo | | Pepe |
| Zora Ngwaba | | Sunday School Girl |
| Beau Joseph Faucheaux | | Sunday School Boy (as Beau Faucheaux) |
| Paul Scheer | | The Whip (Arena Radio DJ) |
| D'Vitrius Shirley-Davie | | Skater Kid |
| Joshua Probus | | Skater Kid |
| Kerry Cahill | | Angry Cone-Lane Mom |
| Chris Henchy | | Panda DJ / Jason Sinclair |
| Caleb J. Middlebrooks | | Panda Call (as Caleb Middlebrooks) |
| Cooper Dodson | | Hearts of Courage Kid |
| Joel K. Berger | | Corey from Red Bull |
| Grayson Thorne Kilpatrick | | Fist Bump Kid at Half Pipe |
| Alex Wayne Boutte | | Conference Room Employee |
| JoAnna Wortham | | Fertility Clinic Employee |
| Allen Zwolle | | Birthday Guy |
