Brady Noon

Character: Greg Heffley (voice)

Ethan William Childress

Character: Rowley Jefferson (voice)

Hunter Dillon

Character: Rodrick Heffley (voice)

Erica Cerra

Character: Susan Heffley (voice)

Chris Diamantopoulos

Character: Frank Heffley (voice)

Gracen Newton

Character: Manny (voice)

Christian Convery

Character: Fregley (voice)

Jessica Mikayla Adams

Character: Braces Girl (voice)

Cyrus Arnold

Character: Teen Driver (voice)

Braxton Baker

Character: Teen with Mullet (voice)

Lossen Chambers

Character: Homeroom Teacher (voice)

Brenda Crichlow

Character: Mrs. Fregley (voice)

Tessa Espinola

Character: Curly-Haired Girl (voice)

Yuvraj Kalsi

Character: Charlie Davies (voice)

Billy Lopez

Character: Mr. Underwood (voice)

Donny Lucas

Character: Mr. Humphreys (voice)

Veda Maharaj

Character: Chirag Gupta (voice)

Jaime Maclean

Character: Holly Hills’s Friend (voice)

Robert Moloney

Character: Joshie (voice)

Gig Morton

Character: Random Boy (voice)

Mizinga Mwinga

Character: Wizard (voice)

John Omohundro

Character: Hulking Teen (voice)

Zeno Robinson

Character: Teen with Baseball Hat (voice)

Gracyn Shinyei

Character: Girl with Ponytail (voice)

Áine Sunderland

Character: Blonde-Haired Girl (voice)

Jen Cain

Character: Additional Voices (voice)

Tristan Allerick Chen

Character: Additional Voices (voice)

Jordyn Curet

Character: Additional Voices (voice)

Johnny Gidcomb

Character: Additional Voices (voice)

Caleb Jeon

Character: Additional Voices (voice)

Ava Mae Leslie

Character: Additional Voices (voice)

Susan Leslie

Character: Additional Voices (voice)

Iara Nemirovsky

Character: Additional Voices (voice)

Matt Nolan

Character: Additional Voices (voice)

Andre Robinson

Character: Additional Voices (voice)

Carter Sand

Character: Additional Voices (voice)

Lily Rose Silver

Character: Additional Voices (voice)

Brooke D. Singleton

Character: Additional Voices (voice)

Jason Grant Smith

Character: Additional Voices (voice)

Benjamin Valic

Character: Additional Voices (voice)

ViviAnn Yee

Character: Additional Voices (voice)

Julian Zane

Character: Additional Voices (voice)