A new school year, his brother Rodrick teases him over and over and over and over again. Will Greg manage to get along with him? Or will a secret ruin everything?
Brady Noon
as Greg Heffley (voice)
Ethan William Childress
as Rowley Jefferson (voice)
Hunter Dillon
as Rodrick Heffley (voice)
Erica Cerra
as Susan Heffley (voice)
Chris Diamantopoulos
as Frank Heffley (voice)
Ed Asner
as Grandpa Heffley (voice)
Linda Lavin
as Barb (voice)
Loretta Devine
as Irene (voice)
Priscilla Lopez
as Merle (voice)
Nathan Arenas
as Mackie (voice)
Albert Tsai
as Drew (voice)
Hudson Yang
as Larry (voice)
