Greg Heffley
Zachary Gordon
Rowley Jefferson
Robert Capron
Chirag Gupta
Karan Brar
Fregley
Grayson Russell
Collin
Alex Ferris
Mrs. Norton
Belita Moreno
Mr. Winsky
Rob LaBelle
Pete Hosey
Nicholas Carey
Carter
Samuel Patrick Chu
Wade
Donnie MacNeil
Shelley
Samantha Page
Marley
Ava Hughes
Frank J. Heffley
Steve Zahn
Bryce Anderson
Owen Best
Quentin
Cainan Wiebe
Quentin's Sidekick
Cole Heppell
Darren Walsh
Harrison Houde
Dieter Muller
Severin Korfer
Mrs. Flint
Jennifer Clement
Mrs. Irvine
Karin Konoval
Vice Principal Roy
Raugi Yu
Rowley's Mom
Kaye Capron
Archie Kelly
Jake D. Smith
Rodrick Heffley
Devon Bostick
Arthur
Talon Dunbar
Cheese Girl
Naomi Dane
Cheese Boy
Willem Jacobson
Coach Brewer
Sean Bygrave
Elderly Woman
Maxine Miller
Granddaughter
Taya Clyne
Grown-Up Greg
Nathaniel Marten
Grown-Up Quentin
Peter New
Lunch Girl #1
Nikki Frazer
Lunch Kid #2
Greta Makena Gibson
Susan Heffley
Rachael Harris
Kindergarten Boy
Nathan Smith
Kindergarten Girl
Kinua McWatt
Kindergarten Greg
Dylan Bell
Kindergarten Patty
Madison Bell
Marty Porter
Adom Osei
Mr. Jefferson
Alf Humphreys
Mr. Parnell
Brent Chapman
Preston
Rylee Stiles
Rodney James
Ryan Grantham
Snot Kid
Ethan Shankaruk
Angie Steadman
Chloë Grace Moretz
Unpopular 80s Boy
Jesse Wheeler
Brock Branigan
Paul Hubbard
80s Breakdancer
Brett Dier
80s Jock Boy
Brandon Barton
80s Popular Girl
Cindy Busby
Audition Kid
Alicia Takase Lui
Jay Sidhu
Tori Christianson
Emerald Schreier
Ben Mitchell
Patty Farrell
Laine MacNeil
Haris Cash
Mariah Crudo
Male Reporter (voice)
Alistair Abell
Female Reporter (voice)
Tara McGuire
Löded Diper
Aidan Gebert
Cameron Krpan
Paolo Tolfo
Waitress (uncredited)
Amy Esterle
Coach Malone
Andrew McNee
Manny Heffley
Connor Fielding
Owen Fielding
Screenplay
Jeff Filgo
Gabe Sachs
Stunts
Doug Chapman
Executive Producer
Jeff Kinney
Book
Choreographer
Paul Becker
Marny Eng
Jackie Filgo
ADR Voice Casting
Johnny Gidcomb
Sound Re-Recording Mixer
Anna Behlmer
Producer
Nina Jacobson
Brad Simpson
Director
Thor Freudenthal
Jeff Judah
Original Music Composer
Theodore Shapiro
Property Master
David Dowling
Camera Operator
Jim Van Dijk
Additional Editing
Robert Komatsu
Stunt Coordinator
Dave Hospes
Assistant Art Director
Cheryl Marion
First Assistant Camera
Timothy Robin Spencer
Set Decoration
Mary-Lou Storey
Production Design
Brent Thomas
First Assistant Editor
Carolyn Calvert
Music Editor
Amanda Goodpaster
Key Hair Stylist
Donna Bis
Co-Producer
Ethan Smith
Costume Design
Monique Prudhomme
Production Sound Mixer
Darren Brisker
Casting
Heike Brandstatter
First Assistant Director
Pete Whyte
Assistant Costume Designer
Debbie Douglas
Set Dresser
Lorne Poole
Tamara Gauthier
Ronna Kress
Director of Photography
Jack N. Green
Editor
Wendy Greene Bricmont
Music Supervisor
Julia Michels
Coreen Mayrs
Art Direction
Shannon Grover
Third Assistant Director
Haylee Thompson
Still Photographer
Rob McEwan
Set Designer
Anneke Van Oort
Ryan Green
Assistant Property Master
Spencer Louttit
Costume Coordinator
Patricia L. Galbraith
Set Costumer
Eileen Gano
Special Effects
Chris Flemington
James Bolt
Key Grip
Dillard Brinson
Location Manager
S. Steven Sach
Construction Coordinator
Jesse Joslin
Transportation Captain
Steve Siegel
Boom Operator
Michael Hibberson
Animation Supervisor
Mike L. Murphy
Visual Effects Producer
Christopher Cundey
Supervising ADR Editor
Nancy Nugent
Second Assistant Director
Cindy Smith
Tenzin Lhalungpa
Wes Hamby
Mark Morgan
Sound Designer
Elliott Koretz
Thanks
Riley Kathryn Ellis
Seamstress
Wendy Foster
Transportation Coordinator
Mike Sassen
Unit Production Manager
Warren Carr
Production Coordinator
Deana Kittson
Gaffer
John Helme
Kurt Jackson
Construction Foreman
Rob Dampier
Unit Publicist
Patricia Johnson
Visual Effects Supervisor
Mark Dornfeld
Special Effects Coordinator
Tony Lazarowich
Local Casting
Kathleen Chopin
Key Makeup Artist
Lisa Love
Supervising Dialogue Editor
Casting Associate
Susanne Scheel
Amy Nygaard
Sound Effects Editor
Donald Flick
Assistant Sound Editor
Josephine Nericcio
Script Supervisor
Ruby J. Munro