Jennifer Love Hewitt
Andie
Brian Hallisay
Mason
Greg Grunberg
Darren
Debra Christofferson
Sarah
Joseph C. Phillips
Jerry
Rico Aragon
Bruce Parker
Lynn Andrews
Riley
Sarah Adina
Wendy
A
Ashley Cole
Del Parker
A
Atticus Hallisay
Avery / Miles
K
Kimberley Kim
Committee Member (credit only)
Kristin Chenoweth
Mimi (voice)
A
Andrea Biklian
Party Attendee (uncredited)
B
Brooke Weirick
Holiday Hop Background (uncredited)