Jason Lee
Dave
Justin Long
Alvin (voice)
Matthew Gray Gubler
Simon (voice)
Jesse McCartney
Theodore (voice)
Kimberly Williams-Paisley
Samantha
Josh Green
Miles
Tony Hale
Agent Suggs
Bella Thorne
Ashley Grey
Eddie Steeples
Barry
Christina Applegate
Brittany (voice)
Kaley Cuoco
Eleanor (voice)
Anna Faris
Jeanette (voice)
Jose D. Xuconoxtli Jr.
Party Cop #1
Keith Arthur Bolden
Party Cop #2
Joshua Mikel
Wyatt the Pizza Guy
Jeremy Ray Taylor
Kid
Mike Senior
Paparazzi #1
Zeeko Zaki
Paparazzi #2
Jennifer Coolidge
Ms. Price
Uzo Aduba
TSA Officer
Jesica Ahlberg
First Class Flight Attendant
Derryl Rivers
Cab Coordinator
Retta
Party Planner
John Lacy
Owner
B.J. Winfrey
Clapping Person
Mark Jeffrey Miller
Cab Driver
John Kap
Giant Bearded Guy
Kevin Wayne
Large Cowboy
Tracy Goode
Bus Driver
Denitra Isler
Ticket Agent
Flula Borg
Man Behind Mask
Candace B. Harris
Airline Ticket Agent
Justin Miles
Young Employee
Laura Marano
Hotel Babysitter
David DeSantos
Maitre'd
Shatoya McClintock
Alice
Joseph Lavender
American Idol Bad Auditioner
Hakim Callender
Passing Record Executive
Benny Demus
DJ
Gabrielle Lexa
Fan #1
Brooke A. Belcher
Fan #2
Onira Tarés
First Record Executive
Leticia Jimenez
Second Record Executive
Charmin Lee
Judge
Ellie Knaus
Anna
Stefan Gordy
DJ at Party
Elyse Dufour
Access Hollywood Reporter
Kit Hoover
Access Hollywood Anchor
Autumn Monroe
Parade Woman
John Waters
First Class Passenger
Daryn Kahn
Party Guy
Parker Wierling
Miniature Golf Boy
Greg Pitts
Pool Attendant
Jennifer Joelle Blau
Waitress Passing Lady
Lisandra Silva
Female Bartender
Jelani A. Jackson
Brass Band Member
Nigel J. Burnett
Brass Band Member
Edward Williams
Brass Band Member
Saunders Sermons
Brass Band Member
Ryan Kilgore
Brass Band Member
Clarence Levy III
Brass Band Member
Stephen D. Wilson
Brass Band Member
Edward Platenburg
Brass Band Member
Jonathan Rosenblit
"Alvin" Reader
Ryan Girard
"Simon" Reader
Ronald Ogden
"Theodore" Reader
Katrine Hoyt
Shelbourne Hotel Guest (voice) (uncredited)
Ross Bagdasarian, Jr.
Alvin (singing voice) (uncredited)
Ken La Kier
Photographer (uncredited)
Janice Karman
Theodore / The Chipettes (singing voice) (uncredited)
