Zachary Gordon

Greg Heffley

Acting

Robert Capron

Rowley Jefferson

Acting

Devon Bostick

Rodrick Heffley

Acting

Peyton List

Holly Hills

Acting

Steve Zahn

Frank Heffley

Acting

Rachael Harris

Susan Heffley

Acting

Grayson Russell

Fregley

Acting

Karan Brar

Chirag Gupta

Acting

Melissa Roxburgh

Heather Hills

Acting

Laine MacNeil

Patty Farrell

Acting

Connor Fielding

Manny Heffley

Acting

Owen Fielding

Manny Heffley

Acting

Philip Maurice Hayes

Stan Warren

Acting

Terence Kelly

Grandpa Heffley

Acting

Bronwen Smith

Isabella Wendell-Jefferson

Acting

Alf Humphreys

Mr. Jefferson

Acting

Elise Gatien

Madison

Acting

John Shaw

Mr. Draybick

Acting

Andrew McNee

Coach Malone

Acting

Tom Stevens

Lenwood Heath

Acting

Bryce Hodgson

Ben Segal

Acting

Christopher De-Schuster

Chris the Bass Player

Acting

Dalila Bela

Taylor Pringle

Acting

Frank C. Turner

Troop Master Barrett

Acting

Emily Holmes

Mrs. Hills

Acting

Jeff Kinney

Mr. Jonathon Hills

Writing

Amitai Marmorstein

Cranium Shaker Operator

Acting

Roan Curtis

Girl at Cranium Shaker #1

Acting

Sydney Wong

Girl at Cranium Shaker #2

Acting

Reese Alexander

Cop

Acting

Cameron Mitchell Jr.

Country Club Manager

Acting

Latonya Williams

Receptionist Amy

Acting

Nicole Fraissinet

Receptionist Julie

Acting

Doug Abrahams

Rodrick's Rescuer

Acting

Melody B. Choi

Snack Bar Girl

Acting

Wanda Ayala

High Diving Fan

Acting

Kyle Cassie

Country Club Waiter

Acting

Kevin Kruchkywich

Country Club Pool Guy

Acting

Amy Esterle

Country Club Waitress

Acting

Gerry Durand

Country Club Valet

Acting

Joshua J. Ballard

Spag Union Math Boy

Acting

Matt Mazur

Spag Union Tracking Device Boy

Acting

Jared Abrahamson

Tim Warren

Acting

Matteo Stefan

Biff Warren

Acting

Collin MacKechnie

Chip Warren

Acting

Sofia Bowers

Li'l Cutie

Acting

Dawn Chubai

Newscaster

Acting

Anne Openshaw

Mrs. Warren

Acting

Keith MacKechnie

Man in Kitchen

Acting

Simon Chin

Restaurant Owner

Acting

B. J. Harrison

Dry Cleaner

Acting

Russell Roberts

Confederate Soldier

Acting

Paul Fisher

Spag Union Announcer

Acting

David Palacio

Spag Union Boy

Acting

Peter Brown

Popcorn Vendor (uncredited)

Acting

Zeeshan Goawala

Student (uncredited)

Acting

Mark Redsky

Cook on Phone (uncredited)

Acting

Trenton Rogers

Student (voice) (uncredited)

Acting

Cameron K. Smith

Union Rifleman (uncredited)

Acting

James O'Sullivan

Sunblock Guy (uncredited)

Acting

Ian Thompson

Bus Driver (uncredited)

Acting