Anna Faris Jeanette (voice)
Justin Long Alvin (voice)
Jennifer Coolidge Ms. Price
Flula Borg Man Behind Mask
Jason Lee Dave
Kaley Cuoco Eleanor (voice)
Christina Applegate Brittany (voice)
Joshua Mikel Wyatt the Pizza Guy
Walt Becker Director
John Waters First Class Passenger
Tony Hale Agent Suggs
Uzo Aduba TSA Officer
Zeeko Zaki Paparazzi #2
Jesse McCartney Theodore (voice)
Jeremy Ray Taylor Kid
Kimberly Williams-Paisley Samantha
Matthew Gray Gubler Simon (voice)
Retta Party Planner
Bella Thorne Ashley Grey
Laura Marano Hotel Babysitter
Kandis Hargrave Stunts
Ryan Kilgore Brass Band Member
Daniel Hargrave Stunts
Brice R. Parker Visual Effects Producer
Ross Bagdasarian, Jr. Characters, Producer, Alvin (singing voice) (uncredited)
Josh Green Miles
John Lacy Owner
Janice Karman Characters, Producer, Theodore / The Chipettes (singing voice) (uncredited)
Denitra Isler Ticket Agent
Arnon Milchan Executive Producer
Matthew O'Callaghan Animation Supervisor
David DeSantos Maitre'd
Charmin Lee Judge
Greg Pitts Pool Attendant
Keith Arthur Bolden Party Cop #2
Eddie Steeples Barry
Joe Letteri Senior Visual Effects Supervisor
Jack Gill Stunt Coordinator
Adam Sztykiel Writer
Candace B. Harris Airline Ticket Agent
Leticia Jimenez Second Record Executive
Elyse Dufour Access Hollywood Reporter
Kevin Wayne Large Cowboy
Peter Lyons Collister Director of Photography
Mark Mothersbaugh Original Music Composer
Justin Miles Young Employee
Sheila Jaffe Casting
Mark Jeffrey Miller Cab Driver
Manish Raval Music Supervisor
Daryn Kahn Party Guy
Jackie Burch Casting
Tom Wolfe Music Supervisor
Mary Claire Hannan Costume Design
Jeff Carson Music Editor
Noelle Jean-Baptiste Set Decorating Coordinator
Karen Rosenfelt Executive Producer
Sean Noel Walker CG Supervisor
Stefan Gordy DJ at Party
Hakim Callender Passing Record Executive
Kit Hoover Access Hollywood Anchor
David McKimmie Associate Producer
Mike Senior Paparazzi #1
Tracy Goode Bus Driver
Jesica Ahlberg First Class Flight Attendant
Onira Tarés First Record Executive
Katrine Hoyt Shelbourne Hotel Guest (voice) (uncredited)
Parker Wierling Miniature Golf Boy
Ryan Folsey Editor
Randi Mayem Singer Writer
John H. Starke Executive Producer
Elizabeth Robinson Hair Department Head
Richard Holland Production Design