The Ant Bully (2006)

Plot
After Lucas Nickle floods an ant colony with his watergun, he's magically shrunken down to insect size and sentenced to hard labor in the ruins.

Cast

 * Zach Tyler Eisen as Lucas Nickle, a boy whose family has moved into a new neighborhood where he gets tortured by a bully.
 * Nicolas Cage as Zoc, a wizard ant who wishes to use his magic to go the greater good for the colony.
 * Julia Roberts as Hova, a worker ant who is assigned to teach Lucas about the ways of the ant.
 * Regina King as Kreela
 * Bruce Campbell as Fugax
 * Paul Giamatti as Stan Beals, a local exterminator who convinces Lucas into signing a contract to exterminate all the pests around Lucas' house.
 * Meryl Streep as The Queen Ant
 * Cheri Oteri as Doreen Nickle, Lucas' mother.
 * Creagen Dow as Mullet Boy, the local neighborhood bully who likes to torture Lucas, as well as torturing his own gang.
 * Larry Miller as Fred Nickle, Lucas' father.
 * Lily Tomlin as Grandma (Mommo)
 * Jake T. Austin as Nicky
 * Don Frye as Soldier Ant
 * Ricardo Montalban as The Head of Council
 * Allison Mack as Tiffany Nickle, Lucas' older sister.
 * Rob Paulsen as Beetle
 * Tyler James Williams as Blue Teammate #1
 * Jaishon Fisher as Blue Teammate #2
 * Frank Welker as Spindle/Frog/Caterpillar
 * Tom Kenny as Drone Ant
 * Zack Shada as Blonde Boy (uncredited)
 * Benjamin Bryan as Kid (uncredited)
 * Jordan Orr as Ant (uncredited)