Jason LeeDave
Jesse McCartneyTheodore (voice)
Josh GreenMiles
Bella ThorneAshley Grey
Jose D. Xuconoxtli Jr.Party Cop #1
Keith Arthur BoldenParty Cop #2
Joshua MikelWyatt the Pizza Guy
Jeremy Ray TaylorKid
Mike SeniorPaparazzi #1
Jesica AhlbergFirst Class Flight Attendant
Derryl RiversCab Coordinator
John LacyOwner
B.J. WinfreyClapping Person
Mark Jeffrey MillerCab Driver
John KapGiant Bearded Guy
Kevin WayneLarge Cowboy
Tracy GoodeBus Driver
Denitra IslerTicket Agent
Flula BorgMan Behind Mask
Candace B. HarrisAirline Ticket Agent
Justin MilesYoung Employee
Laura MaranoHotel Babysitter
David DeSantosMaitre'd
Shatoya McClintockAlice
Joseph LavenderAmerican Idol Bad Auditioner
Hakim CallenderPassing Record Executive
Benny DemusDJ
Gabrielle LexaFan #1
Brooke A. BelcherFan #2
Onira TarésFirst Record Executive
Leticia JimenezSecond Record Executive
Ellie KnausAnna
Stefan GordyDJ at Party
Elyse DufourAccess Hollywood Reporter
Kit HooverAccess Hollywood Anchor
Autumn MonroeParade Woman
Daryn KahnParty Guy
Parker WierlingMiniature Golf Boy
Greg PittsPool Attendant
Jennifer Joelle BlauWaitress Passing Lady
Lisandra SilvaFemale Bartender
Jelani A. JacksonBrass Band Member
Nigel J. BurnettBrass Band Member
Edward WilliamsBrass Band Member
Saunders SermonsBrass Band Member
Ryan KilgoreBrass Band Member
Clarence Levy IIIBrass Band Member
Stephen D. WilsonBrass Band Member
Edward PlatenburgBrass Band Member
Jonathan Rosenblit"Alvin" Reader
Ryan Girard"Simon" Reader
Ronald Ogden"Theodore" Reader
Katrine HoytShelbourne Hotel Guest (voice) (uncredited)
Ross Bagdasarian, Jr.Alvin (singing voice) (uncredited)
Ken La KierPhotographer (uncredited)
Janice KarmanTheodore / The Chipettes (singing voice) (uncredited)
