Brady Noon

Greg Heffley (voice)

Ethan William Childress

Rowley Jefferson (voice)

Hunter Dillon

Rodrick Heffley (voice)

Erica Cerra

Susan Heffley (voice)

Chris Diamantopoulos

Frank Heffley (voice)

Gracen Newton

Manny (voice)

Christian Convery

Fregley (voice)

Jessica Mikayla Adams

Braces Girl (voice)

Cyrus Arnold

Teen Driver (voice)

Braxton Baker

Teen with Mullet (voice)

Lossen Chambers

Homeroom Teacher (voice)

Brenda Crichlow

Mrs. Fregley (voice)

Tessa Espinola

Curly-Haired Girl (voice)

Yuvraj Kalsi

Charlie Davies (voice)

Billy Lopez

Mr. Underwood (voice)