Justin Long
Alvin (voice)
Beth Riesgraf
Mother in Store
Matthew Gray Gubler
Simon (voice)
Jesse McCartney
Theodore (voice)
Emily Ferry
Property Master
Ross Bagdasarian, Jr.
Alvin (singing voice) (uncredited)
Janice Karman
Producer, Theodore (singing voice) (uncredited)
Jon Vitti
Screenplay, Story
Tim Hill
Director
Ross Bagdasarian
Producer, Characters
Paul Massey
Sound Mixer
Arnon Milchan
Executive Producer
Jayden Lund
Security Guard
Gary Burritt
Negative Cutter
Peter Lyons Collister
Director of Photography
Emily A. Wilson
Art Department Coordinator
R.J. Kizer
ADR Editor
Anne D. McCulley
Set Decoration
Erin Chambers
Press Coordinator
Alicia Stevenson
Foley Artist
Michele Panelli-Venetis
Associate Producer
Chris Viscardi
Screenplay
Toni-Ann Walker
Hair Department Head
Christopher Lennertz
Original Music Composer
Rosero McCoy
Choreographer
Mildred Iatrou
Supervising Sound Editor
Craig T. Shordon
Set Painter
Jillian Warry Barberie
Jillian Reynolds
Kevin E. Patterson
Utility Sound
Allison Karman
Female Intern 1
Gloria D'Alessandro
Dialogue Editor
David MacMillan
Production Sound Mixer
Christopher Flick
Foley Editor
John Moio
Stunt Coordinator
Susan Dawes
Supervising Sound Editor
Karen Rosenfelt
Executive Producer
Tim Gomillion
Sound Recordist
Dawn Fintor
Foley Artist
Julianne Jordan
Music Supervisor
Tiara Parker
Female Intern 2
John Murray
Foley Supervisor
Michele Imperato Stabile
Executive Producer, Unit Production Manager
David Betancourt
Foley Mixer
Cheri Minns
Makeup Department Head
Richard Holland
Production Design
Jaimie Trueblood
Still Photographer
Natalie Cohen
Poolside Girl (uncredited)
Alexandra Welker
Costume Design
Dennis Rogers
Sound Recordist
Perry Dodgson
Boom Operator
Justin Hammond
Lighting Technician