Through a series of misunderstandings, Alvin, Simon and Theodore come to believe that Dave is going to propose to his new girlfriend in New York City - and dump them. They have three days to get to him and stop the proposal.
as Dave
as Alvin (voice)
as Simon (voice)
as Theodore (voice)
as Samantha
as Miles
as Agent Suggs
as Ashley Grey
as Barry
as Brittany (voice)
as Eleanor (voice)
as Jeanette (voice)
as Party Cop #1
as Party Cop #2
as Wyatt the Pizza Guy
as Kid
as Paparazzi #1
as Paparazzi #2
as Ms. Price
as TSA Officer
as First Class Flight Attendant
as Cab Coordinator
as Party Planner
as Owner
as Clapping Person
as Cab Driver
as Giant Bearded Guy
as Large Cowboy
as Bus Driver
as Ticket Agent
as Man Behind Mask
as Airline Ticket Agent
as Young Employee
as Hotel Babysitter
as Maitre'd
as Alice
as American Idol Bad Auditioner
as Passing Record Executive
as DJ
as Fan #1
as Fan #2
as First Record Executive
as Second Record Executive
as Judge
as Anna
as DJ at Party
as Access Hollywood Reporter
as Access Hollywood Anchor
as Parade Woman
as First Class Passenger
as Party Guy
as Miniature Golf Boy
as Pool Attendant
as Waitress Passing Lady
as Female Bartender
as Brass Band Member
as Brass Band Member
as Brass Band Member
as Brass Band Member
as Brass Band Member
as Brass Band Member
as Brass Band Member
as Brass Band Member
as "Alvin" Reader
as "Simon" Reader
as "Theodore" Reader
as Shelbourne Hotel Guest (voice) (uncredited)
as Alvin (singing voice) (uncredited)
as Photographer (uncredited)
as Theodore / The Chipettes (singing voice) (uncredited)