Sinopsis
La siguiente generación de Griswolds se embarca en otra aventura malograda. Siguiendo los pasos de su padre y en espera de poder fortalecer la necesitada unión familiar, el ya adulto Rusty Griswold sorprende a su esposa Debbie y a sus dos hijos con un viaje a través del país de regreso a Walley World, el "parque de diversiones favorito de los Estados Unidos".
Reparto
Ed Helms — Rusty GriswoldChristina Applegate — Debbie GriswoldSkyler Gisondo — James GriswoldSteele Stebbins — Kevin GriswoldChris Hemsworth — Stone CrandallLeslie Mann — Audrey GriswoldChevy Chase — Clark GriswoldBeverly D'Angelo — Ellen GriswoldCharlie Kirk — ChadCatherine Missal — AdenaRon Livingston — EthanNorman Reedus — TruckerKeegan-Michael Key — Jack PetersonRegina Hall — Nancy PetersonEmyri Crutchfield — Sheila PetersonAlkoya Brunson — Gary PetersonNick Kroll — Colorado CopTim Heidecker — Utah CopKaitlin Olson — Arizona CopMichael Peña — New Mexico CopHannah Jeter — Ferrari GirlDavid Clennon — Harry Co-PilotColin Hanks — JakeKirstin Ford — Mom on PlaneEthan Maher — Boy on PlaneElizabeth Gillies — HeatherCristina Squyres — BrookeNadine Avola — ChelseaRyan Cartwright — TerryValerie Payton — Shuttle DriverO'Clair Alexander — Husky Lady at MonumentMiles Doleac — Man on the MonumentHolly Gardner — Women at MonumentR.F. Daley — Furious HusbandElizabeth Fendrick — Furious WifeMichael H. Cole — Male GuestBrooke Jaye Taylor — Female GuestMatthew Cornwell — Male Guest #2Mitchell Warren — Wally World Kid #2John Francis Daley — Ride OperatorBrandon Michael Hale — Gas Station Clerk (uncredited)Libby Blake — Boobs (uncredited)Rick Ericson — Hawaiian (uncredited)Omar Lagudali — Reporter (uncredited)Cameron McIntyre — Young James (age 7 / 9) (uncredited)Jonathan Goldstein — Hot Tub Guy (uncredited)John C. McGinley — Motorbike CopSamm Levine — Festival Dude Sam (uncredited)