Jason Lee

Dave

Justin Long

Alvin (voice)

Matthew Gray Gubler

Simon (voice)

Jesse McCartney

Theodore (voice)

Kimberly Williams-...

Samantha

Josh Green

Miles

Tony Hale

Agent Suggs

Bella Thorne

Ashley Grey

Eddie Steeples

Barry

Christina Applegate

Brittany (voice)

Kaley Cuoco

Eleanor (voice)

Anna Faris

Jeanette (voice)

Jose D. Xuconoxtli...

Party Cop #1

Keith Arthur Bolden

Party Cop #2

Joshua Mikel

Wyatt the Pi...

Jeremy Ray Taylor

Kid

Mike Senior

Paparazzi #1

Zeeko Zaki

Paparazzi #2

Jennifer Coolidge

Ms. Price

Uzo Aduba

TSA Officer

Jesica Ahlberg

First Class ...

Derryl Rivers

Cab Coordinator

Retta

Party Planner

John Lacy

Owner

B.J. Winfrey

Clapping Person

Mark Jeffrey Miller

Cab Driver

John Kap

Giant Bearded Guy

Kevin Wayne

Large Cowboy

Tracy Goode

Bus Driver

Denitra Isler

Ticket Agent

Flula Borg

Man Behind Mask

Candace B. Harris

Airline Tick...

Justin Miles

Young Employee

Laura Marano

Hotel Babysitter

David DeSantos

Maitre'd

Shatoya McClintock

Alice

Joseph Lavender

American Ido...

Hakim Callender

Passing Reco...

Benny Demus

DJ

Gabrielle Lexa

Fan #1

Brooke A. Belcher

Fan #2

Onira Tarés

First Record...

Leticia Jimenez

Second Recor...

Charmin Lee

Judge

Ellie Knaus

Anna

Stefan Gordy

DJ at Party

Elyse Dufour

Access Holly...

Kit Hoover

Access Holly...

Autumn Monroe

Parade Woman

John Waters

First Class ...

Daryn Kahn

Party Guy

Parker Wierling

Miniature Golf Boy

Greg Pitts

Pool Attendant

Jennifer Joelle Blau

Waitress Pas...

Lisandra Silva

Female Bartender

Jelani A. Jackson

Brass Band Member

Nigel J. Burnett

Brass Band Member

Edward Williams

Brass Band Member

Saunders Sermons

Brass Band Member

Ryan Kilgore

Brass Band Member

Clarence Levy III

Brass Band Member

Stephen D. Wilson

Brass Band Member

Edward Platenburg

Brass Band Member

Jonathan Rosenblit

"Alvin" Reader

Ryan Girard

"Simon" Reader

Ronald Ogden

"Theodore" Reader

Katrine Hoyt

Shelbourne H...

Ross Bagdasarian, Jr.

Alvin (singi...

Ken La Kier

Photographer...

Janice Karman

Theodore / T...