The Chipmunks :
Justin Long as Alvin Seville (speaking voice)
Matthew Gray Gubler as Simon Seville (speaking voice)
Jesse McCartney as Theodore Seville (speaking voice)
Ross Bagdasarian, Jr. as Alvin (singing voice)
Steve Vining as Simon (singing voice)
Janice Karman as Theodore (singing voice)
The Chipettes :
Christina Applegate as Brittany (speaking voice)
Anna Faris as Jeanette (speaking voice)
Amy Poehler as Eleanor (speaking voice)
Janice Karman as the Chipettes (singing voices)
Anna Faris provides the voice Jeanette .
Jason Lee of the sit-com My Name Is Earl plays David Seville in the Alvin & The Chipmunks movie.
Jesse McCartney plays the voice of Theodore.
Jeanette Miller is played by Janice Karman from 1984 -2007However, in Alvin and the Chipmunks: The Squeakquel (2009) andAlvin and the Chipmunks: Chipwrecked (2011), Jeanette is played by Anna Faris
Jessie mcartney is one of them.
The voice of Eleanor is by Amy Poehler.
Anna Faris .
Jesse McCartney provides the voice for Theodore in "Alvin and the Chipmunks: The Squeakquel" .
Jesse McCartney as theodores voice
Anna Faris provides the voice Jeanette .
Matthew Gray Gubler provides the voice of Simon Seville in "Alvin and the Chipmunks: The Squeakquel" .
In the new 2007 movie, Jesse McCartney is the speaking voice of Theodore, and Janice Karman is the singing voice.
In " Alvin and the Chipmunks: The Squeakquel " the Chipettes are voiced by Christina Applegate as Brittany , Anna Faris as Jeanette and Amy Poehler as Eleanor .
Jason Lee of the sit-com My Name Is Earl plays David Seville in the Alvin & The Chipmunks movie.
No, he plays the voice of Theordore in Alvin and The Chipmunks, he just isn't makin anymore music.
Jesse McCartney plays the voice of Theodore.
Jeanette Miller is played by Janice Karman from 1984 -2007However, in Alvin and the Chipmunks: The Squeakquel (2009) andAlvin and the Chipmunks: Chipwrecked (2011), Jeanette is played by Anna Faris