Matthew Gray Gubler
Simon (voice)
Jesse McCartney
Theodore (voice)
Amy Poehler
Eleanor (voice)
Anna Faris
Jeanette (voice)
Christina Applegate
Brittany (voice)
Michael P. Northey
Hawaiian Shirt Guy
Sophia Aguiar
Club Woman #1
Lauren Gottlieb
Club Woman #2
Andy Buckley
Captain Correlli
Tucker Albrizzi
Tucker / Kite Kid
Michael Bagdasarian
Excursion Clerk
Amber-Rochelle DeMarco
Damsel #1
Natalie Sutcliffe
Damsel #3
Phyllis Smith
Flight Attendant
Ross Bagdasarian, Jr.
Alvin (singing voice) (uncredited)
Janice Karman
Theodore / The Chipettes (singing voice) (uncredited)
Eoin Bates
Music Executive (uncredited)
Seth Robert Dusky
Additional Voices (voice) (uncredited)
Wendell Kinney
Cruise Guest (uncredited)
Jeremy Palko
Cruise Guy (uncredited)
Rachael Wegener
Model (uncredited)
