Justin Long
Alvin (voice)
Beth Riesgraf
Mother in Store
Matthew Gray Gubler
Simon (voice)
Jesse McCartney
Theodore (voice)
Emily Ferry
Property Master
Jon Vitti
Screenplay, Story
Ross Bagdasarian, Jr.
Alvin (singing voice) (uncredited)
Janice Karman
Producer, Theodore (singing voice) (uncredited)
Arnon Milchan
Executive Producer
Tim Hill
Director
Paul Massey
Sound Mixer
Ross Bagdasarian
Producer, Characters
Jayden Lund
Security Guard
Peter Lyons Collister
Director of Photography
Emily A. Wilson
Art Department Coordinator
R.J. Kizer
ADR Editor
Anne D. McCulley
Set Decoration
Alicia Stevenson
Foley Artist
Erin Chambers
Press Coordinator
Christopher Lennertz
Original Music Composer
Chris Viscardi
Screenplay
Michele Panelli-Venetis
Associate Producer
Dawn Fintor
Foley Artist
Toni-Ann Walker
Hair Department Head
Rosero McCoy
Choreographer
Craig T. Shordon
Set Painter
Gary Burritt
Negative Cutter
Michele Imperato Stabile
Executive Producer, Unit Production Manager
Jillian Warry Barberie
Jillian Reynolds
Allison Karman
Female Intern 1
Mildred Iatrou
Supervising Sound Editor
Gloria D'Alessandro
Dialogue Editor
Susan Dawes
Supervising Sound Editor
Christopher Flick
Foley Editor
Tim Gomillion
Sound Recordist
John Moio
Stunt Coordinator
Karen Rosenfelt
Executive Producer
Julianne Jordan
Music Supervisor
John Murray
Foley Supervisor
David Giammarco
Sound Mixer
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
David MacMillan
Production Sound Mixer
Leigh Shanta
Unit Production Manager
Will McRobb
Screenplay