Plot: When Theodore discovers Alvin and Simon have a secret club, he promises not to tell anyone if they let him join.
Cast
Justin LongAlvin Seville (Voice)Justin Long was 41 in Alvinnn!!! And The Chipmunks - Season 4 - Mysterions (Episode 7).
Birthday: Fri, Jun 02 1978
Matthew Gray GublerSimon Seville (Voice)Matthew Gray Gubler was 39 in Alvinnn!!! And The Chipmunks - Season 4 - Mysterions (Episode 7).
Birthday: Sun, Mar 09 1980
Jesse McCartneyTheodore Seville (Voice)Jesse McCartney was 32 in Alvinnn!!! And The Chipmunks - Season 4 - Mysterions (Episode 7).
Birthday: Thu, Apr 09 1987
Christina ApplegateBrittany Miller (Voice)Christina Applegate was 47 in Alvinnn!!! And The Chipmunks - Season 4 - Mysterions (Episode 7).
Birthday: Thu, Nov 25 1971
Anna FarisJeanette Miller (Voice)Anna Faris was 42 in Alvinnn!!! And The Chipmunks - Season 4 - Mysterions (Episode 7).
Birthday: Mon, Nov 29 1976
Vanessa BagdasarianEleanor Miller / Lucy/ Kate (Voice)Vanessa Bagdasarian was >> in Alvinnn!!! And The Chipmunks - Season 4 - Mysterions (Episode 7).
Birthday: Unknown Birthday
Ross Bagdasarian, Jr.Dave Seville (Voice)Ross Bagdasarian, Jr. was 69 in Alvinnn!!! And The Chipmunks - Season 4 - Mysterions (Episode 7).
Birthday: Tue, Oct 25 1949