Jason Ian Drucker

Greg Heffley

Alicia Silverstone

Susan Heffley

Tom Everett Scott

Frank Heffley

Charlie Wright

Rodrick Heffley

Owen Asztalos

Rowley Jefferson

Wyatt Walters

Manny Heffley

Joshua Hoover

Mac Digby

Mira Silverman

Brandi Beardo

Chris Coppola

Beardo

Kimberli Lincoln

Mrs. Beardo

Carlos Guerrero

Luis

Dylan Walters

Manny Heffley

Danny Vinson

Hog Man

Stephen 'Big Steve' Dupree

Tall Farmer

Neva Howell

Farmer Lady

Ricky Muse

Butter Vendor

Taylor St. Clair

Carnie

Kurt Yue

Fake Dad

Jacinte Blankenship

Security Guard

Beth Keener

Reporter

Mimi Gould

Meemaw

Emma Wetzel

Country Fair Girl

Elijah Marcano

Corny's Host

Apollo GT

XBox Vendor / DXRacer Player

Alma Kent

Teen Bystander

Alexa Blair Robertson

Cute Girl #1

Courtney Lauren Cummings

Cute Girl #2

Robert Hendren

Motorcycle Cop

Sofia Bowers

Pigtails Girl

Jody Thompson

Uncle Gerald

Stephen Ruffin

Gamer

Anthony Ianitello

Diaper Hands Cosplayer

Nathaniel Dickson

Brandon Beardo

Jake Sterner

Brent Beardo

Bobby Akers

Gaming Expo Attendee (uncredited)

Lariah Alexandria

Corny Kid (uncredited)

Madison Alsobrook

Expo Kid (uncredited)

Cassidy Balkcom

Corny's Waitress (uncredited)

Taylor Barton

Fair Kid (uncredited)

Alicia Beshears

Fair Teen (uncredited)

Kimberly Blaurock

Professional Cosplayer (uncredited)

Joshua Booker

Gaming Expo Attendee (uncredited)

Maiya Boyd

Corny Heeley Kid (uncredited)

Michael Bunch

Laughing Corny's Waiter (uncredited)

Benton Burnett

Cowboy Family (uncredited)

Randy Burnett

Cowboy Family (uncredited)

Jamel Chambers

Expo Gamer Attendee (uncredited)

Jeremy Chesser

Corny Patron (uncredited)

Kristen Danielle

Expo Gamer (uncredited)

Aerielle Dodson

Goth County Fair Patron (uncredited)

Jacob Evans

Expo Kid (uncredited)

Juan Gaspard

Festival Vendor (uncredited)

James Gill

Steampunk Giant (uncredited)

Ben Hammock

Fair Employee (uncredited)

Simone Kiffany Jenkins

Passenger (uncredited)

Kenneth Jones

Mechanic (uncredited)

Tegan Jones

Party Guest (uncredited)

Jeff Kinney

Man at Player Expo (uncredited)

Tylon Larry

Fair Kid (uncredited)

Shane Donovan Lewis

Corny's Kid (uncredited)

John Merical

Driver (uncredited)

Davis Pak

Boy (voice) (uncredited)

Anthony Vance Pierce

Adult Fairgoer (uncredited)

Candy Rachor

Corny Patron (uncredited)

Jonathan Rush

Expo Gamer Attendee (uncredited)