Rusty Griswold

Ed Helms

Acting

Debbie Griswold

Christina Applegate

Acting

James Griswold

Skyler Gisondo

Acting

Kevin Griswold

Steele Stebbins

Acting

Stone Crandall

Chris Hemsworth

Acting

Audrey Griswold

Leslie Mann

Acting

Clark Griswold

Chevy Chase

Acting

Ellen Griswold

Beverly D'Angelo

Acting

Chad

Charlie Day

Acting

Adena

Catherine Missal

Acting

Ethan

Ron Livingston

Acting

Trucker

Norman Reedus

Acting

Jack Peterson

Keegan-Michael Key

Acting

Nancy Peterson

Regina Hall

Acting

Sheila Peterson

Emyri Crutchfield

Acting

Gary Peterson

Alkoya Brunson

Acting

Colorado Cop

Nick Kroll

Acting

Utah Cop

Tim Heidecker

Acting

Arizona Cop

Kaitlin Olson

Acting

New Mexico Cop

Michael Peña

Acting

Ferrari Girl

Hannah Jeter

Acting

Harry Co-Pilot

David Clennon

Acting

Jake

Colin Hanks

Acting

Mom on Plane

Kirstin Ford

Acting

Boy on Plane

Ethan Maher

Acting

Heather

Elizabeth Gillies

Acting

Brooke

Cristina Squyres

Acting

Chelsea

Nadine Avola

Acting

Terry

Ryan Cartwright

Acting

Shuttle Driver

Valerie Payton

Acting

Husky Lady at Monument

O'Clair Alexander

Acting

Man on the Monument

Miles Doleac

Acting

Women at Monument

Holly Gardner

Acting

Furious Husband

R.F. Daley

Acting

Furious Wife

Elizabeth Fendrick

Acting

Male Guest

Michael H. Cole

Acting

Female Guest

Brooke Jaye Taylor

Acting

Male Guest #2

Matthew Cornwell

Acting

Wally World Kid #2

Mitchell Warren

Acting

Ride Operator

John Francis Daley

Writing

Gas Station Clerk (uncredited)

Brandon Michael Hale

Crew

Boobs (uncredited)

Libby Blake

Acting

Hawaiian (uncredited)

Rick Ericson

Acting

Reporter (uncredited)

Omar Lagudali

Acting

Young James (age 7 / 9) (uncredited)

Cameron McIntyre

Acting

Hot Tub Guy (uncredited)

Jonathan Goldstein

Writing

Motorbike Cop

John C. McGinley

Acting

Festival Dude Sam (uncredited)

Samm Levine

Acting