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Jason Ian Drucker as Greg Heffley |
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ალისია სილვერსტოუნი as Susan Heffley |
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Tom Everett Scott as Frank Heffley |
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Charlie Wright as Rodrick Heffley |
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Owen Asztalos as Rowley Jefferson |
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Wyatt Walters as Manny Heffley |
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Joshua Hoover as Mac Digby |
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Mira Silverman as Brandi Beardo |
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Chris Coppola as Beardo |
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Kimberli Lincoln as Mrs. Beardo |
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Carlos Guerrero as Luis |
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Dylan Walters as Manny Heffley |
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Danny Vinson as Hog Man |
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Stephen 'Big Steve' Dupree as Tall Farmer |
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Neva Howell as Farmer Lady |
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Ricky Muse as Butter Vendor |
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Taylor St. Clair as Carnie |
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Kurt Yue as Fake Dad |
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Jacinte Blankenship as Security Guard |
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Beth Keener as Reporter |
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Mimi Gould as Meemaw |
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Emma Wetzel as Country Fair Girl |
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Elijah Marcano as Corny's Host |
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Apollo GT as XBox Vendor / DXRacer Player |
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Alma Kent as Teen Bystander |
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Alexa Blair Robertson as Cute Girl #1 |
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Courtney Lauren Cummings as Cute Girl #2 |
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Robert Hendren as Motorcycle Cop |
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Sofia Bowers as Pigtails Girl |
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Jody Thompson as Uncle Gerald |
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Stephen Ruffin as Gamer |
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Anthony Ianitello as Diaper Hands Cosplayer |
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Nathaniel Dickson as Brandon Beardo |
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Jake Sterner as Brent Beardo |
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Bobby Akers as Gaming Expo Attendee (uncredited) |
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Lariah Alexandria as Corny Kid (uncredited) |
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Madison Alsobrook as Expo Kid (uncredited) |
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Cassidy Balkcom as Corny's Waitress (uncredited) |
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Taylor Barton as Fair Kid (uncredited) |
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Alicia Beshears as Fair Teen (uncredited) |
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Kimberly Blaurock as Professional Cosplayer (uncredited) |
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Joshua Booker as Gaming Expo Attendee (uncredited) |
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Maiya Boyd as Corny Heeley Kid (uncredited) |
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Michael Bunch as Laughing Corny's Waiter (uncredited) |
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Benton Burnett as Cowboy Family (uncredited) |
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Randy Burnett as Cowboy Family (uncredited) |
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Jamel Chambers as Expo Gamer Attendee (uncredited) |
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Jeremy Chesser as Corny Patron (uncredited) |
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Kristen Danielle as Expo Gamer (uncredited) |
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Aerielle Dodson as Goth County Fair Patron (uncredited) |
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Jacob Evans as Expo Kid (uncredited) |
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Juan Gaspard as Festival Vendor (uncredited) |
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James Gill as Steampunk Giant (uncredited) |
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Ben Hammock as Fair Employee (uncredited) |
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Simone Kiffany Jenkins as Passenger (uncredited) |
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Kenneth Jones as Mechanic (uncredited) |
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Tegan Jones as Party Guest (uncredited) |
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Jeff Kinney as Man at Player Expo (uncredited) |
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Tylon Larry as Fair Kid (uncredited) |
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Shane Donovan Lewis as Corny's Kid (uncredited) |
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John Merical as Driver (uncredited) |
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Davis Pak as Boy (voice) (uncredited) |
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Anthony Vance Pierce as Adult Fairgoer (uncredited) |
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Candy Rachor as Corny Patron (uncredited) |
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Jonathan Rush as Expo Gamer Attendee (uncredited) |
| Crew | Scott Christopher Kelly | Stand In |
| Sound | Jason Swanscott | Foley Artist |
| Sound | Zoe Freed | Foley Artist |
| Costume & Make-Up | Moe Coles | Hairstylist |
| Costume & Make-Up | Adruitha Lee | Hair Department Head |
| Sound | Renée Tondelli | ADR Editor |
| Costume & Make-Up | Jennifer Hodges | Hairstylist |
| Costume & Make-Up | Michealle Vanderpool | Hairstylist |
| Sound | Peter Burgis | Foley Artist |
| Costume & Make-Up | Linda Traxler | Hairstylist |
| Sound | Adam Bourne | Foley Editor |
| Sound | Glen Gathard | Foley Mixer |
| Costume & Make-Up | Leay Cangelosi | Hairstylist |
| Camera | Grady Allen Bishop | Camera Car |
| Crew | Grady Allen Bishop | Stunts |
| Costume & Make-Up | Joulles Wright | Costume Supervisor |
| Costume & Make-Up | Chris Diamantides | Makeup Artist |
| Visual Effects | Robin Scott Graham | Visual Effects Supervisor |
| Visual Effects | Chris LeDoux | Visual Effects Supervisor |
| Costume & Make-Up | K. Drew Fuller | Costume Supervisor |
| Costume & Make-Up | Reese Spensley | Set Costumer |
| Costume & Make-Up | Jessie Gambardella | Makeup Artist |
| Art | Jonathan Dossman | Set Dresser |
| Art | David Mathew Weeks | Set Dresser |
| Sound | Wayne Lemmer | Sound Re-Recording Mixer |
| Visual Effects | Wes Dorough | Visual Effects Producer |
| Costume & Make-Up | Les Morgan | Set Costumer |
| Costume & Make-Up | Korii Young | Set Costumer |
| Art | Amber Goodrum | Set Dresser |
| Art | Jason Vigdor | Set Dresser |
| Sound | Wayne Lemmer | Supervising Sound Editor |
| Costume & Make-Up | Melanie Deforrest | Makeup Artist |
| Art | Cara Price | Set Decoration Buyer |
| Art | Kristen Jenkins | Set Designer |
| Sound | Derek Vanderhorst | Supervising Sound Editor |
| Costume & Make-Up | Travis Pates | Makeup Department Head |
| Sound | Derek Vanderhorst | Sound Re-Recording Mixer |
| Visual Effects | Manuela Cripps | Visual Effects Producer |
| Costume & Make-Up | Sara Cobbeldick | Set Costumer |
| Art | Jeff Ginn | Assistant Art Director |
| Visual Effects | Bobo Skipper | Visual Effects Supervisor |
| Art | Danny Brown | Assistant Art Director |
| Sound | Marc Glassman | Sound Designer |
| Visual Effects | Tim LeDoux | Visual Effects Supervisor |
| Camera | Anthony B. Richmond | Director of Photography |
| Editing | Troy Takaki | Editor |
| Production | ნინა ჯეიკობსონი | Producer |
| Writing | Jeff Kinney | Book |
| Production | Brad Simpson | Producer |
| Directing | David Bowers | Director |
| Sound | Edward Shearmur | Original Music Composer |
| Sound | Tom Brown | Music Arranger |
| Production | Courtney Bright | Casting |
| Art | Tasha Clarkson | Set Decoration |
| Writing | David Bowers | Writer |
| Production | Timothy M. Bourne | Executive Producer |
| Writing | Jeff Kinney | Writer |
| Production | Jeff Kinney | Executive Producer |
| Art | Aaron Osborne | Production Design |
| Production | Nicole Daniels | Casting |
| Costume & Make-Up | Mary Claire Hannan | Costume Design |
| Production | Heath M. Howard | Associate Producer |
| Art | Erin Cochran | Art Direction |
| Production | David Bowers | Executive Producer |
| Art | Carla Martinez | Set Designer |
| Production | Kerry Roberts | Payroll Accountant |
