A struggling songwriter named Dave Seville finds success when he comes across a trio of singing chipmunks: mischievous leader Alvin, brainy Simon, and chubby, impressionable Theodore.
Jason Lee
as Dave
David Cross
as Ian
Cameron Richardson
as Claire
Jane Lynch
as Gail
Justin Long
as Alvin (voice)
Matthew Gray Gubler
as Simon (voice)
Jesse McCartney
as Theodore (voice)
Allison Karman
as Female Intern 1
Tiara Parker
as Female Intern 2
Kira Verrastro
as Female Intern 3
Veronica Alicino
as Amy
Beth Riesgraf
as Mother in Store
