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