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