Trailer
Images
 | Aaron D. Harris as Greg (voice) |
 | Chris Diamantopoulos as Frank (voice) |
 | Erica Cerra as Susan (voice) |
 | Hunter Dillon as Rodrick (voice) |
 | Jude Zarzaur as Rowley (voice) |
 | Gracen Newton as Manny (voice) |
 | Jill Basey as Mrs. Canfield (voice) |
 | Bashir Salahuddin as Mr. Warren (voice) |
 | William Stanford Davis as Troopmaster Barrett (voice) |
 | Jabari Banks as Lenwood (voice) |
 | P.L. Brown as Priest (voice) |
 | Grey DeLisle as Organ Lady (voice) |
 | Dashiell McGaha-Schletter as Ricky Fisher (voice) |
 | Punam Patel as Mrs. Winsky (voice) |
 | Randy Pearlstein as Mr. Jefferson (voice) |
 | Talon Warburton as Narrator (voice) |
 | Sanjay Rao as Mr. Gupta (voice) |
| Lila Bahng as Patty (voice) |
| Annika Erickson as Kindergarten Mom (voice) |
| Abhiram Gulati as Chirag (voice) |
| Kyrie Neriah Kennedy as Weston (voice) |
| Eddie Martinez as Gruff Neighbor (voice) |
| Livingston McConaughey as Student (voice) |
| Ellis Myers as Fregley (voice) |
| Tunde Oyeneyin as Fitness Instructor (voice) |
| Enzo Valdez as Mikey (voice) |
| Luther Vue as Oversized 4 Year Old (voice) |
| Jen Cain as Additional Voices (voice) |
| Sawyer Cole as Additional Voices (voice) |
 | Camden Coley as Additional Voices (voice) |
 | Matt Danner as Additional Voices (voice) |
| Arya Dormiani as Additional Voices (voice) |
| Damon Fung as Additional Voices (voice) |
| Anders Garrett as Additional Voices (voice) |
 | Johnny Gidcomb as Additional Voices (voice) |
 | Sawyer Holt as Additional Voices (voice) |
 | Lex Lang as Additional Voices (voice) |
 | Susan Leslie as Additional Voices (voice) |
 | Hope Levy as Additional Voices (voice) |
| Ashley London as Additional Voices (voice) |
 | Kyrie McAlpin as Additional Voices (voice) |
| Melrose as Additional Voices (voice) |
 | Matt Nolan as Additional Voices (voice) |
| Shiloh Phillips as Additional Voices (voice) |
| Ayush Rajmachikar as Additional Voices (voice) |
| Miabella Rose as Additional Voices (voice) |
| Kendrick Owen White as Additional Voices (voice) |
| Directing | |
| Matt Danner | Director |
Writing | |
| Jeff Kinney | Book |
Sound | |
| John Paesano | Original Music Composer |
| Adam Hochstatter | Original Music Composer |
Production | |
| Tina Chow | Executive Producer |
| Richard Grieve | Executive Producer |
| Jeff Kinney | Producer |
Writing | |
| Jeff Kinney | Screenplay |
Art | |
| Yingzhong Hu | Storyboard Artist |
| Hyein Park | Storyboard Artist |
Lighting | |
| Valerie Constant | Lighting Artist |
| Theo Weber | Lighting Artist |
