Reparto
Zachary Gordon
Greg Heffley
Robert Capron
Rowley Jefferson
Steve Zahn
Frank Heffley
Devon Bostick
Rodrick Heffley
Rachael Harris
Susan Heffley
Chloë Grace Moretz
Angie Steadman
Laine MacNeil
Patty Farrell
Connor Fielding
Manny Heffley
Owen Fielding
Manny Heffley
Karan Brar
Chirag Gupta
Grayson Russell
Fregley
Alex Ferris
Collin
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
Harrison Houde
Darren Walsh
Karin Konoval
Mrs. Irvine
Raugi Yu
Vice Principal Roy
Maxine Miller
Elderly Woman
Peter New
Grown-Up Quentin
Greta Makena Gibson
Lunch Kid #2
Adom Osei
Marty Porter
Alf Humphreys
Mr. Jefferson
Brent Chapman
Mr. Parnell
Ryan Grantham
Rodney James
Ethan Shankaruk
Snot Kid
Paul Hubbard
Brock Branigan
Brett Dier
80s Breakdancer
Cindy Busby
80s Popular Girl
Alistair Abell
Male Reporter (voice)
Amy Esterle
Waitress (uncredited)
John Cygan
Parent (uncredited)
