Danny DeVito as Buddy Hall

Matthew Broderick as Steve Finch

Kristin Davis as Kelly Finch

Kristin Chenoweth as Tia Hall

Alia Shawkat as Madison Finch

Fred Armisen as Gustave

Jorge Garcia as Wallace

Dylan Blue as Carter Finch

Kelly Aldridge as Ashley Hall

Sabrina Aldridge as Emily Hall

Sean O'Bryan as Mayor Young

Gillian Vigman as Gerta

Ryan Devlin as Bob Murray

SuChin Pak as Self

Jackie Burroughs as Mrs. Ryor

Garry Chalk as Sheriff Dave

Nicola Peltz Beckham as Mackenzie

Zak Santiago as Fireworks Guy

David James Lewis as Ted

Daniel Bacon as Ed

Ken Kramer as Mr. Murray

Jill Morrison as Gail

Alf Humphreys as Hardware Store Employee

Brenda Crichlow as News Reporter #1

Jill Krop as Reporter #2

Agam Darshi as News Producer

David Stuart as Oblivious Dad

Quinn Lord as Santa Kid

Nathaniel DeVeaux as Main Street Passerby #1

Fulvio Cecere as Town Passerby

Eliza Norbury as Mary in the Manger

Randi Lynne as Caroler #1

Dan Joffre as Caroler #2

Aurora Faulkner-Killam as Caroler

Melissa Howell as Caroler

Lori Johnson as Caroler

David Shaw as Caroler

Myles Wolfe as Caroler

Ty Olsson as Trucker

Stephen Holmes as UPS Guy

Andrew Hedge as City Employee

Cory Monteith as Madison's Date

Cassidy Bot-Devire as Little Girl (uncredited)

Aaron Craven as Businessman Dad (uncredited)

Blair Gorrell as Carnival Fan (uncredited)

Rachel Lana Li as Spectator (uncredited)

Lochlyn Munro as Ted (uncredited)

Kal Penn as Amit Sayid (uncredited)

Caroline Redekopp as Mackenzie's Mother (uncredited)

Arden Rhine as Woman (uncredited)

Calum Worthy as Boy On a Bike (uncredited)