Alvin and the Chipmunks: The Squeakquel is a 2009 American live-action/computer-animated jukebox musical comedy film directed by Betty Thomas, written by Jon Vitti, Jonathan Aibel and Glenn Berger, and produced by Janice Karman and Ross Bagdasarian Jr.. The second installment in its live-action film series and the sequel to Alvin and the Chipmunks (2007), the film stars Zachary Levi, David Cross and Jason Lee. Justin Long, Matthew Gray Gubler and Jesse McCartney return as the Chipmunks from the previous film. Amy Poehler, Anna Faris and Christina Applegate voice the new characters, the Chipettes. The film sees the Chipmunks entering high school and being under the care of Dave Seville's cousin, Toby, while Ian Hawke recruits the Chipettes to restore his career.