Reparto
Jason Lee
Dave
Justin Long
Alvin (voice)
Matthew Gray Gubler
Simon (voice)
Jesse McCartney
Theodore (voice)
Kimberly Williams-Paisley
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)
Keith Arthur Bolden
Party Cop #2
Joshua Mikel
Wyatt the Pizza Guy
Jeremy Ray Taylor
Kid
Mike Senior
Paparazzi #1
Zeeko Zaki
Paparazzi #2
Jennifer Coolidge
Ms. Price
Uzo Aduba
TSA Officer
Jesica Ahlberg
First Class Flight Attendant
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 Ticket Agent
Justin Miles
Young Employee
Laura Marano
Hotel Babysitter
David DeSantos
Maitre'd
Shatoya McClintock
Alice
Hakim Callender
Passing Record Executive
Benny Demus
DJ
Gabrielle Lexa
Fan #1
Onira Tarés
First Record Executive
Charmin Lee
Judge
Ellie Knaus
Anna
Stefan Gordy
DJ at Party
Elyse Dufour
Access Hollywood Reporter
Autumn Monroe
Parade Woman
John Waters
First Class Passenger
Daryn Kahn
Party Guy
Parker Wierling
Miniature Golf Boy
Greg Pitts
Pool Attendant
Ryan Kilgore
Brass Band Member
Ronald Ogden
"Theodore" Reader
Katrine Hoyt
Shelbourne Hotel Guest (voice) (uncredited)
Ross Bagdasarian, Jr.
Alvin (singing voice) (uncredited)
Janice Karman
Theodore / The Chipettes (singing voice) (uncredited)
