Jason Lee

Dave

David Cross

Ian

Jenny Slate

Zoe

Justin Long

Alvin (voice)

Matthew Gray Gubler

Simon (voice)

Jesse McCartney

Theodore (voice)

Amy Poehler

Eleanor (voice)

Anna Faris

Jeanette (voice)

Christina Applegate

Brittany (voice)

Alan Tudyk

Simone (voice)

Michael P. Northey

Hawaiian Shirt Guy

Sophia Aguiar

Club Woman #1

Lauren Gottlieb

Club Woman #2

Tera Perez

Club Woman #3

Andy Buckley

Captain Correlli

Chad Krowchuk

Waiter

Luisa d'Oliveira

Tessa

Tucker Albrizzi

Tucker / Kite Kid

Nelson Wong

Casino Guy

Michael Bagdasarian

Excursion Clerk

Amber-Rochelle DeMarco

Damsel #1

Marcela Caceres

Damsel #2

Natalie Sutcliffe

Damsel #3

Ian Harmon

Monster

Phyllis Smith

Flight Attendant

Ross Bagdasarian, Jr.

Alvin (singing voice) (uncredited)

Janice Karman

Theodore / The Chipettes (singing voice) (uncredited)

Eoin Bates

Music Executive (uncredited)

Seth Robert Dusky

Additional Voices (voice) (uncredited)

Wendell Kinney

Cruise Guest (uncredited)

Jeremy Palko

Cruise Guy (uncredited)

Rachael Wegener

Model (uncredited)

Mira Caveno

Set Designer

Anna Behlmer

Sound Re-Recording Mixer

Christine Sirois

ADR Recordist

Neil Machlis

Unit Production Manager

Doug Jackson

Sound Effects Editor

Matthew Harrison

Foley Editor

David Betancourt

ADR Mixer

Casey Grant

Unit Production Manager

David Hadaway

Set Designer

Julia Michels

Music Supervisor

David Husby

Sound Mixer

Monique 'Nico' Salvato

First Assistant Sound Editor

Jesse Johnstone

ADR Recordist

Peter Bodnarus

Set Designer

David Lucarelli

ADR Recordist

Johnny Gidcomb

ADR Voice Casting

Charleen Richards-Steeves

ADR Mixer

John T. Cucci

Foley Artist

Jim Brookshire

Supervising Dialogue Editor

Dan O'Connell

Foley Artist

John Morris

Supervising Sound Editor

Dan DiPrima

Supervising Music Editor

James Bolt

Sound Re-Recording Mixer

Lisa Love

Key Makeup Artist

Stacey Herbert

Makeup Artist

James Ashwill

Foley Mixer

John Murray

Foley Supervisor

Matt Fausak

Music Editor

Galen Goodpaster

Supervising ADR Editor

Jonathan Aibel

Writer

Glenn Berger

Writer

Tony Mecca

Animation

Aravind Jayaraman

Visual Effects

Samidha Nagwekar

Animation

Sachin Bangera

Animation

Rohit Kolhe

Animation

Dixie Pizani

Animation

Andrew Malesky

Animation

Armen Ksajikian

Musician

Phil Langone

Storyboard Artist

Ian Blum

Animation Supervisor

Thomas E. Ackerman

Director of Photography

Mark Mothersbaugh

Original Music Composer

Marilyn Giacomazzi

Stunt Double

Steve Waterman

Executive Producer

Peter Amundson

Editor

Allison Jones

Casting

Neil Machlis

Executive Producer

Arnon Milchan

Executive Producer

Ross Bagdasarian, Jr.

Producer

Richard Holland

Production Design

Karen Rosenfelt

Executive Producer

Rose Marie McSherry

Set Decoration

Janice Karman

Producer

Don MacAulay

Art Direction

Alexandra Welker

Costume Design

Mike Mitchell

Director

Melanie Cassidy

Sculptor