On screen
Cast
31 credited performers
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
Artwork unavailable
Sophia Aguiar
Club Woman #1
Lauren Gottlieb
Club Woman #2
Artwork unavailable
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
Artwork unavailable
Michael Bagdasarian
Excursion Clerk
Artwork unavailable
Amber-Rochelle DeMarco
Damsel #1
Artwork unavailable
Marcela Caceres
Damsel #2
Artwork unavailable
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)
Artwork unavailable
Seth Robert Dusky
Additional Voices (voice) (uncredited)
Artwork unavailable
Wendell Kinney
Cruise Guest (uncredited)
Jeremy Palko
Cruise Guy (uncredited)
Artwork unavailable
Rachael Wegener
Model (uncredited)