It's summertime, and Greg Heffley is looking forward to playing video games and spending time with his friends. However, Greg's dad has other plans: He's decided that some father-son bonding time is in order. Desperate to prevent his dad from ruining summer vacation, Greg pretends he has a job at a ritzy country club. But Greg's plan backfires, leaving him in the middle of embarrassing mishaps and a camping trip gone wrong.
Zachary Gordon
as Greg Heffley
Robert Capron
as Rowley Jefferson
Devon Bostick
as Rodrick Heffley
Peyton List
as Holly Hills
Steve Zahn
as Frank Heffley
Rachael Harris
as Susan Heffley
Grayson Russell
as Fregley
Karan Brar
as Chirag Gupta
Melissa Roxburgh
as Heather Hills
Laine MacNeil
as Patty Farrell
Connor Fielding
as Manny Heffley
Owen Fielding
as Manny Heffley
