cast
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Ed Helms
Rusty Griswold
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Christina Applegate
Debbie Griswold
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Skyler Gisondo
James Griswold
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Steele Stebbins
Kevin Griswold
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Chris Hemsworth
Stone Crandall
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Leslie Mann
Audrey Griswold
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Chevy Chase
Clark Griswold
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Beverly D'Angelo
Ellen Griswold
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Charlie Day
Chad
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Catherine Missal
Adena
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Ron Livingston
Ethan
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Norman Reedus
Trucker
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Keegan-Michael Key
Jack Peterson
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Regina Hall
Nancy Peterson
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Emyri Crutchfield
Sheila Peterson
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Alkoya Brunson
Gary Peterson
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Nick Kroll
Colorado Cop
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Tim Heidecker
Utah Cop
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Kaitlin Olson
Arizona Cop
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Michael Peña
New Mexico Cop
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Hannah Jeter
Ferrari Girl
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David Clennon
Harry Co-Pilot
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Colin Hanks
Jake
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Kirstin Ford
Mom on Plane
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Ethan Maher
Boy on Plane
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Elizabeth Gillies
Heather
- Cristina Squyres Brooke
- Nadine Avola Chelsea
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Ryan Cartwright
Terry
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Valerie Payton
Shuttle Driver
- O'Clair Alexander Husky Lady at Monument
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Miles Doleac
Man on the Monument
- Holly Gardner Women at Monument
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R.F. Daley
Furious Husband
- Elizabeth Fendrick Furious Wife
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Michael H. Cole
Male Guest
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Brooke Jaye Taylor
Female Guest
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Matthew Cornwell
Male Guest #2
- Mitchell Warren Wally World Kid #2
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John Francis Daley
Ride Operator
- Brandon Michael Hale Gas Station Clerk (uncredited)
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Libby Blake
Boobs (uncredited)
- Rick Ericson Hawaiian (uncredited)
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Omar Lagudali
Reporter (uncredited)
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Cameron McIntyre
Young James (age 7 / 9) (uncredited)
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Jonathan Goldstein
Hot Tub Guy (uncredited)
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John C. McGinley
Motorbike Cop
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Samm Levine
Festival Dude Sam (uncredited)