Character Name : Dave

Original Name : Jason Lee

Gender : Male

Character Name : Alvin (voice)

Original Name : Justin Long

Gender : Male

Character Name : Simon (voice)

Original Name : Matthew Gray Gubler

Gender : Male

Character Name : Theodore (voice)

Original Name : Jesse McCartney

Gender : Male

Character Name : Samantha

Original Name : Kimberly Williams-Paisley

Gender : Female

Character Name : Miles

Original Name : Josh Green

Gender : Male

Character Name : Agent Suggs

Original Name : Tony Hale

Gender : Male

Character Name : Ashley Grey

Original Name : Bella Thorne

Gender : Female

Character Name : Barry

Original Name : Eddie Steeples

Gender : Male

Character Name : Brittany (voice)

Original Name : Christina Applegate

Gender : Female

Character Name : Eleanor (voice)

Original Name : Kaley Cuoco

Gender : Female

Character Name : Jeanette (voice)

Original Name : Anna Faris

Gender : Female

Character Name : Party Cop #1

Original Name : Jose D. Xuconoxtli Jr.

Gender : Male

Character Name : Party Cop #2

Original Name : Keith Arthur Bolden

Gender : Male

Character Name : Wyatt the Pizza Guy

Original Name : Joshua Mikel

Gender : Male

Character Name : Kid

Original Name : Jeremy Ray Taylor

Gender : Male

Character Name : Paparazzi #1

Original Name : Mike Senior

Gender : Male

Character Name : Paparazzi #2

Original Name : Zeeko Zaki

Gender : Male

Character Name : Ms. Price

Original Name : Jennifer Coolidge

Gender : Female

Character Name : TSA Officer

Original Name : Uzo Aduba

Gender : Female

Character Name : First Class Flight Attendant

Original Name : Jesica Ahlberg

Gender : Female

Character Name : Cab Coordinator

Original Name : Derryl Rivers

Gender : Male

Character Name : Party Planner

Original Name : Retta

Gender : Female

Character Name : Owner

Original Name : John Lacy

Gender : Male

Character Name : Clapping Person

Original Name : B.J. Winfrey

Gender : Male

Character Name : Cab Driver

Original Name : Mark Jeffrey Miller

Gender : Male

Character Name : Giant Bearded Guy

Original Name : John Kap

Gender : Male

Character Name : Large Cowboy

Original Name : Kevin Wayne

Gender : Male

Character Name : Bus Driver

Original Name : Tracy Goode

Gender : Male

Character Name : Ticket Agent

Original Name : Denitra Isler

Gender : Female

Character Name : Man Behind Mask

Original Name : Flula Borg

Gender : Male

Character Name : Airline Ticket Agent

Original Name : Candace B. Harris

Gender : Male

Character Name : Young Employee

Original Name : Justin Miles

Gender : Male

Character Name : Hotel Babysitter

Original Name : Laura Marano

Gender : Female

Character Name : Maitre'd

Original Name : David DeSantos

Gender : Male

Character Name : Alice

Original Name : Shatoya McClintock

Gender : Female

Character Name : American Idol Bad Auditioner

Original Name : Joseph Lavender

Gender : Male

Character Name : Passing Record Executive

Original Name : Hakim Callender

Gender : Male

Character Name : DJ

Original Name : Benny Demus

Gender : Male

Character Name : Fan #1

Original Name : Gabrielle Lexa

Gender : Female

Character Name : Fan #2

Original Name : Brooke A. Belcher

Gender : Male

Character Name : First Record Executive

Original Name : Onira Tarés

Gender : Female

Character Name : Second Record Executive

Original Name : Leticia Jimenez

Gender : Female

Character Name : Judge

Original Name : Charmin Lee

Gender : Female

Character Name : Anna

Original Name : Ellie Knaus

Gender : Female

Character Name : DJ at Party

Original Name : Stefan Gordy

Gender : Male

Character Name : Access Hollywood Reporter

Original Name : Elyse Dufour

Gender : Female

Character Name : Access Hollywood Anchor

Original Name : Kit Hoover

Gender : Male

Character Name : Parade Woman

Original Name : Autumn Monroe

Gender : Female

Character Name : First Class Passenger

Original Name : John Waters

Gender : Male

Character Name : Party Guy

Original Name : Daryn Kahn

Gender : Male

Character Name : Miniature Golf Boy

Original Name : Parker Wierling

Gender : Male

Character Name : Pool Attendant

Original Name : Greg Pitts

Gender : Male

Character Name : Waitress Passing Lady

Original Name : Jennifer Joelle Blau

Gender : Male

Character Name : Female Bartender

Original Name : Lisandra Silva

Gender : Male

Character Name : Brass Band Member

Original Name : Jelani A. Jackson

Gender : Male

Character Name : Brass Band Member

Original Name : Nigel J. Burnett

Gender : Male

Character Name : Brass Band Member

Original Name : Edward Williams

Gender : Male

Character Name : Brass Band Member

Original Name : Saunders Sermons

Gender : Male

Character Name : Brass Band Member

Original Name : Ryan Kilgore

Gender : Male

Character Name : Brass Band Member

Original Name : Clarence Levy III

Gender : Male

Character Name : Brass Band Member

Original Name : Stephen D. Wilson

Gender : Male

Character Name : Brass Band Member

Original Name : Edward Platenburg

Gender : Male

Character Name : "Alvin" Reader

Original Name : Jonathan Rosenblit

Gender : Male

Character Name : "Simon" Reader

Original Name : Ryan Girard

Gender : Male

Character Name : "Theodore" Reader

Original Name : Ronald Ogden

Gender : Male

Character Name : Shelbourne Hotel Guest (voice) (uncredited)

Original Name : Katrine Hoyt

Gender : Female

Character Name : Alvin (singing voice) (uncredited)

Original Name : Ross Bagdasarian, Jr.

Gender : Male

Character Name : Photographer (uncredited)

Original Name : Ken La Kier

Gender : Male

Character Name : Theodore / The Chipettes (singing voice) (uncredited)

Original Name : Janice Karman

Gender : Male