A Heffley family road trip to attend Meemaw's 90th birthday party goes hilariously off course thanks to Greg's newest scheme to get to a video gaming convention.
as Greg Heffley
as Susan Heffley
as Frank Heffley
as Rodrick Heffley
as Rowley Jefferson
as Manny Heffley
as Mac Digby
as Brandi Beardo
as Beardo
as Mrs. Beardo
as Luis
as Manny Heffley
as Hog Man
as Tall Farmer
as Farmer Lady
as Butter Vendor
as Carnie
as Fake Dad
as Security Guard
as Reporter
as Meemaw
as Country Fair Girl
as Corny's Host
as XBox Vendor / DXRacer Player
as Teen Bystander
as Cute Girl #1
as Cute Girl #2
as Motorcycle Cop
as Pigtails Girl
as Uncle Gerald
as Gamer
as Diaper Hands Cosplayer
as Brandon Beardo
as Brent Beardo
as Gaming Expo Attendee (uncredited)
as Corny Kid (uncredited)
as Expo Kid (uncredited)
as Corny's Waitress (uncredited)
as Fair Kid (uncredited)
as Fair Teen (uncredited)
as Professional Cosplayer (uncredited)
as Gaming Expo Attendee (uncredited)
as Corny Heeley Kid (uncredited)
as Laughing Corny's Waiter (uncredited)
as Cowboy Family (uncredited)
as Cowboy Family (uncredited)
as Expo Gamer Attendee (uncredited)
as Corny Patron (uncredited)
as Expo Gamer (uncredited)
as Goth County Fair Patron (uncredited)
as Expo Kid (uncredited)
as Festival Vendor (uncredited)
as Steampunk Giant (uncredited)
as Fair Employee (uncredited)
as Passenger (uncredited)
as Mechanic (uncredited)
as Party Guest (uncredited)
as Man at Player Expo (uncredited)
as Fair Kid (uncredited)
as Corny's Kid (uncredited)
as Driver (uncredited)
as Boy (voice) (uncredited)
as Adult Fairgoer (uncredited)
as Corny Patron (uncredited)
as Expo Gamer Attendee (uncredited)
