Jason Lee
Dave
David Cross
Ian
Cameron Richardson
Claire
Jane Lynch
Gail
Justin Long
Alvin (voice)
Matthew Gray Gubler
Simon (voice)
Jesse McCartney
Theodore (voice)
Allison Karman
Female Intern 1
Tiara Parker
Female Intern 2
Kira Verrastro
Female Intern 3
Veronica Alicino
Amy
Beth Riesgraf
Mother in Store
Adriane Lenox
Vet
Don Tiffany
Engineer
Lorne Green
Director
Kevin Symons
Ted
Frank Maharajh
Barry
Greg 'G-Spot' Siebel
Photographer
Oliver Muirhead
Butler
Jayden Lund
Security Guard
Erin Chambers
Press Coordinator
Jillian Warry Barberie
Jillian Reynolds
Chris Classic
DJ
Adam Riancho
French Doll (voice)
Axel Alba
Spanish Doll (voice)
Rosero McCoy
Choreographer
Alexis Boyd
Dancer
Criscilla Anderson
Dancer
Kevin Fisher
Dancer
Kyndra Reevey
Dancer
Tucker Barkley
Dancer
Celestina Aladekoba
Dancer
Laura Edwards
Dancer
Christopher Scott
Dancer
Miss Prissy
Dancer
Bryan Gaw
Dancer
Michelle Maniscalco
Dancer
Nick Drago
Dancer
Melanie Lewis
Dancer
Natalie Cohen
Poolside Girl (uncredited)
Ross Bagdasarian, Jr.
Alvin (singing voice) (uncredited)
Janice Karman
Theodore (singing voice) (uncredited)
Lisa Mason Lee
Band Member (uncredited)
Meghan Noone
Alvin's Fan (uncredited)
Chris Rossi
Dancer (uncredited)
Jameel Saleem
Band Roadie (uncredited)
Melanie Stephens
Dancing DJ (uncredited)
Michele Imperato Stabile
Unit Production Manager
George Fisher
Stunts
Charlie Daboub
Art Direction
David MacMillan
Production Sound Mixer
Michael Axinn
ADR Editor
Gloria D'Alessandro
Dialogue Editor
Lissette Schettini
Assistant Art Director
Kevin E. Patterson
Utility Sound
Toni-Ann Walker
Hair Department Head
R.J. Kizer
ADR Editor
Shane D. Kelly
Gaffer
Anne D. McCulley
Set Decoration
Evelyne Barbier
Set Designer
Scott Curtis
Foley Editor
Sharon E. Alshams
Set Designer
John Moio
Stunt Coordinator
John Robotham
Stunts
Susan Dawes
Supervising Sound Editor
Christopher Flick
Foley Editor
Leigh Shanta
Unit Production Manager
Emily A. Wilson
Art Department Coordinator
Paul Massey
Sound Mixer
Ilana Gordon
Set Decorating Coordinator
Perry Dodgson
Boom Operator
Rebecca Robertson
Script Supervisor
Cheri Minns
Makeup Department Head
John Murray
Foley Supervisor
Peggy Teague
Makeup Artist
Mildred Iatrou
Supervising Sound Editor
Michele Panelli-Venetis
Associate Producer
Jaimie Trueblood
Still Photographer
David Betancourt
Foley Mixer
David Giammarco
Sound Mixer
Doug Jackson
Sound Effects Editor
Tim Gomillion
Sound Recordist
Todd Shifflett
Visual Effects Supervisor
Gary Burritt
Negative Cutter
Alicia Stevenson
Foley Artist
Dennis Rogers
Sound Recordist
Dawn Fintor
Foley Artist
Galen Goodpaster
First Assistant Sound Editor
Harry Muller
Color Timer
Ali Dee
Songs
Alexandra Welker
Costume Design
Steve Waterman
Executive Producer
Mindy Marin
Casting
Karen Rosenfelt
Executive Producer
Tim Hill
Director
Janice Karman
Producer
Peter Lyons Collister
Director of Photography
Ross Bagdasarian
Producer
Arnon Milchan
Executive Producer
Richard Holland
Production Design
Peter E. Berger
Editor
Michele Imperato Stabile
Executive Producer
Ross Bagdasarian
Characters
Dan Haring
Lighting Technician
Justin Hammond
Lighting Technician
Brett Paton
Animation
Joel Foster
Animation
Angelo Libutti
Animation
Christian Wood
Digital Compositor
Armen Ksajikian
Musician
Julianne Jordan
Music Supervisor
Will McRobb
Screenplay
Christopher Lennertz
Original Music Composer
Chris Viscardi
Screenplay
Jon Vitti
Story
Jon Vitti
Screenplay
Debbie Evans
Stunts
Robert E. Knight
Set Painter
George Atamian
Set Dresser
Emily Ferry
Property Master
Craig T. Shordon
Set Painter
Tom Brown
Music Arranger