Dave
Jason Lee
Alvin (voice)
Justin Long
Eleanor (voice)
Kaley Cuoco
Jeanette (voice)
Anna Faris
Party Cop #1
Jose D. Xuconoxtli Jr.
Party Cop #2
Keith Arthur Bolden
Wyatt the Pizza Guy
Joshua Mikel
Kid
Jeremy Ray Taylor
Paparazzi #1
Mike Senior
Paparazzi #2
Zeeko Zaki
Ms. Price
Jennifer Coolidge
TSA Officer
Uzo Aduba
Simon (voice)
Matthew Gray Gubler
First Class Flight Attendant
Jesica Ahlberg
Cab Coordinator
Derryl Rivers
Party Planner
Retta
Owner
John Lacy
Clapping Person
B.J. Winfrey
Cab Driver
Mark Jeffrey Miller
Giant Bearded Guy
John Kap
Large Cowboy
Kevin Wayne
Bus Driver
Tracy Goode
Ticket Agent
Denitra Isler
Theodore (voice)
Jesse McCartney
Man Behind Mask
Flula Borg
Airline Ticket Agent
Candace B. Harris
Young Employee
Justin Miles
Hotel Babysitter
Laura Marano
Maitre'd
David DeSantos
Alice
Shatoya McClintock
American Idol Bad Auditioner
Joseph Lavender
Passing Record Executive
Hakim Callender
DJ
Benny Demus
Fan #1
Gabrielle Lexa
Samantha
Kimberly Williams-Paisley
Fan #2
Brooke A. Belcher
First Record Executive
Onira Tarés
Second Record Executive
Leticia Jimenez
Judge
Charmin Lee
Anna
Ellie Knaus
DJ at Party
Stefan Gordy
Access Hollywood Reporter
Elyse Dufour
Access Hollywood Anchor
Kit Hoover
Parade Woman
Autumn Monroe
First Class Passenger
John Waters
Miles
Josh Green
Party Guy
Daryn Kahn
Miniature Golf Boy
Parker Wierling
Pool Attendant
Greg Pitts
Waitress Passing Lady
Jennifer Joelle Blau
Female Bartender
Lisandra Silva
Brass Band Member
Jelani A. Jackson
Nigel J. Burnett
Edward Williams
Saunders Sermons
Ryan Kilgore
Agent Suggs
Tony Hale
Clarence Levy III
Stephen D. Wilson
Edward Platenburg
"Alvin" Reader
Jonathan Rosenblit
"Simon" Reader
Ryan Girard
"Theodore" Reader
Ronald Ogden
Shelbourne Hotel Guest (voice) (uncredited)
Katrine Hoyt
Alvin (singing voice) (uncredited)
Ross Bagdasarian, Jr.
Photographer (uncredited)
Ken La Kier
Theodore / The Chipettes (singing voice) (uncredited)
Janice Karman
Ashley Grey
Bella Thorne
Barry
Eddie Steeples
Brittany (voice)
Christina Applegate
Producer
Characters
Original Music Composer
Mark Mothersbaugh
Senior Visual Effects Supervisor
Joe Letteri
Costume Design
Mary Claire Hannan
Director
Walt Becker
Stunt Coordinator
Jack Gill
Animation Supervisor
Matthew O'Callaghan
Executive Producer
Arnon Milchan
Stunts
Kandis Hargrave
Daniel Hargrave
Director of Photography
Peter Lyons Collister
Visual Effects Supervisor
Edwin Rivera
Choreographer
Napoleon Dumo
Tabitha Dumo
Storyboard
Angelo Libutti
Stunt Driver
Grady Allen Bishop
John H. Starke
Music Supervisor
Tom Wolfe
Manish Raval
Production Design
Richard Holland
Assistant Art Director
Jeff Ginn
Anthony Talauega
Supervising Art Director
Paul D. Kelly
Sound Mixer
Todd Weaver
Music Editor
Andrew Dorfman
Paul Kirkland
Karen Rosenfelt
Post Production Coordinator
Gbenga Idowu
Jeff Carson
Steve Waterman
Visual Effects Editor
Joseph Carson
Associate Producer
Jennifer Teves
Hairstylist
Teresa Morgan
Ken McGaugh
Richmond Talauega
Carol White
John Berri
Dan DiPrima
Jim Harrison
Visual Effects Producer
Steve Dubin
Writer
Randi Mayem Singer
Set Decoration
Frank Galline
Makeup Department Head
Travis Pates
Second Unit Director
Thomas E. Ackerman
Supervising Sound Editor
Galen Goodpaster
David McKimmie
Doug Jackson
Hair Department Head
Elizabeth Robinson
Special Effects Coordinator
Caius Man
Makeup Artist
Stevie Martin
Executive Music Producer
Alana Da Fonseca
Brice R. Parker
Casting
Jackie Burch
Editor
Ryan Folsey
Sheila Jaffe
Adam Sztykiel
CG Supervisor
Sean Noel Walker