Greg Heffley (voice)

Aaron D. Harris

Acting

Frank Heffley (voice)

Chris Diamantopoulos

Acting

Susan Heffley (voice)

Erica Cerra

Acting

Rodrick Heffley (voice)

Hunter Dillon

Acting

Rowley Jefferson (voice)

Jude Zarzaur

Acting

Manny Heffley (voice)

Gracen Newton

Acting

Mrs. Canfield (voice)

Jill Basey

Acting

Mr. Warren (voice)

Bashir Salahuddin

Acting

Troopmaster Barrett (voice)

William Stanford Davis

Acting

Lenwood (voice)

Jabari Banks

Acting

Priest (voice)

P.L. Brown

Acting

Organ Lady (voice)

Grey DeLisle

Acting

Ricky Fisher (voice)

Dashiell McGaha-Schletter

Acting

Mrs. Winsky (voice)

Punam Patel

Acting

Mr. Jefferson (voice)

Randy Pearlstein

Acting

Narrator (voice)

Talon Warburton

Acting

Mr. Gupta (voice)

Sanjay Rao

Acting

Patty (voice)

Lila Bahng

Acting

Kindergarten Mom (voice)

Annika Erickson

Acting

Chirag (voice)

Abhiram Gulati

Acting

Weston (voice)

Kyrie Neriah Kennedy

Acting

Gruff Neighbor (voice)

Eddie Martinez

Acting

Student (voice)

Livingston McConaughey

Acting

Fregley (voice)

Ellis Myers

Acting

Fitness Instructor (voice)

Tunde Oyeneyin

Acting

Mikey (voice)

Enzo Valdez

Acting

Oversized 4 Year Old (voice)

Luther Vue

Acting

Additional Voices (voice)

Jen Cain

Acting

Additional Voices (voice)

Sawyer Cole

Acting

Additional Voices (voice)

Camden Coley

Acting

Additional Voices (voice)

Matt Danner

Writing

Additional Voices (voice)

Arya Dormiani

Acting

Additional Voices (voice)

Damon Fung

Acting

Additional Voices (voice)

Anders Garrett

Acting

Additional Voices (voice)

Johnny Gidcomb

Production

Additional Voices (voice)

Sawyer Holt

Acting

Additional Voices (voice)

Lex Lang

Acting

Additional Voices (voice)

Susan Leslie

Acting

Additional Voices (voice)

Hope Levy

Acting

Additional Voices (voice)

Ashley London

Acting

Additional Voices (voice)

Kyrie McAlpin

Acting

Additional Voices (voice)

Melrose

Acting

Additional Voices (voice)

Matt Nolan

Acting

Additional Voices (voice)

Shiloh Phillips

Acting

Additional Voices (voice)

Ayush Rajmachikar

Acting

Additional Voices (voice)

Miabella Rose

Acting

Additional Voices (voice)

Kendrick Owen White

Acting