Alvin and the Chipmunks: World Tour

Alvin and the Chipmunks: World Tour is a 2021 two-part musical comedy. The voice cast includes Justin Long, Christina Applegate, Matthew Gray Gubler, Anna Faris, Jesse McCartney, and Kaley Cuoco, who reprise their roles from the previous films. Amy Phoeler voices Alvin's sister Charlene while Mark Hamill voices as Alvin's father Avery. The film's live-action cast includes Jason Lee, Ashley Peldon, Doug Walker, Stephanie Beatriz and Viola Davis.

Part 1
After being insulted by police commissioner Mindy Carlton, Alvin hatches a plan to make a comeback in a giant World Tour, but avoid telling Dave to keep him from becoming overprotective. However, Dave does notice that they've gone missing and forces Mindy Carlton to find them with her incompetent detective/sidekick Grant Lewis to find them.

Part 2
After learning he was adopted by Simon and Theodore's parents and meeting his biological father and sister in Australia, Alvin enlists their help to stop the worldwide terrorist group while Jeanette, Theodore, and Eleanor try to find Simon, who has transformed back into Simone and has disappeared. Meanwhile, Mindy and Grant learn that the terrorists have framed them as the terrorist leaders and gain the help of Dave to help them.

Live Action Cast

 * Jason Lee as Dave Seville, a songwriter and retired vigilante, the chipmunks adoptive father.
 * Ashley Peldon as Mindy Carlton, a detective and the chipmunks parole officer.
 * Doug Walker as Grant Lewis, Mindy's hyperactive partner and a major fan of the chipmunks.
 * Stephanie Beatriz as Louise Lannister, Carl's sister, Mindy's love interest and the leader of a terrorist gang.
 * Viola Davis as Chieftess Nabu, the chieftess of an African tribe called the Lion Clan.

Voice Cast

 * Justin Long as Alvin Seville, the leader of the group.
 * Amy Poehler as Charlene, Alvin's easily excitable biological twin sister.
 * Jesse McCartney as Theodore Seville, the youngest member of the group.
 * Christina Applegate as Brittany Miller, the cynical leader of the Chipettes.
 * Anna Faris as Jeanette Miller, easily the smartest member of the group.
 * Matthew Gray Gubler as Simon Seville, the second smartest member of the group, first being Jeanette.
 * Alan Tudyk as Simone, Simon's French counterpart with enhanced strength and speed.
 * Kaley Cuoco as Eleanor Miller, the second youngest member of the group.
 * Mark Hamill as Avery, Alvin's and Charlene's eccentric biological father.