As a new school year begins, Greg is subject to relentless teasing from his brother Rodrick. Will Greg manage to get along with him? Or will a secret ruin everything?

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)

Ed Asner

Grandpa Heffley (voice)

Linda Lavin

Barb (voice)

Loretta Devine

Irene (voice)

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