Reparto (30)
Zachary Gordon
Greg Heffley
Robert Capron
Rowley Jefferson
Steve Zahn
Frank J. Heffley
Devon Bostick
Rodrick Heffley
Rachael Harris
Susan Heffley
Chloë Grace Moretz
Angie Steadman
Laine MacNeil
Patty Farrell
Andrew McNee
Coach Malone
Connor Fielding
Manny Heffley
Owen Fielding
Manny Heffley
Karan Brar
Chirag Gupta
Grayson Russell
Fregley
Alex Ferris
Collin
Belita Moreno
Mrs. Norton
Rob LaBelle
Mr. Winsky
Nicholas Carey
Pete Hosey
Samuel Patrick Chu
Carter
Donnie MacNeil
Wade
Samantha Page
Shelley
Ava Hughes
Marley
Owen Best
Bryce Anderson
Cainan Wiebe
Quentin
Cole Heppell
Quentin's Sidekick
Harrison Houde
Darren Walsh
Severin Korfer
Dieter Muller
Jennifer Clement
Mrs. Flint
Karin Konoval
Mrs. Irvine
Raugi Yu
Vice Principal Roy
Kaye Capron
Rowley's Mom
Jake D. Smith
Archie Kelly