The Ant Bully is a 2006 American computer-animated fantasy adventure comedy film written and directed by John A. Davis and based on the 1999 children's book of the same name by John Nickle. Starring the voices of Julia Roberts, Nicolas Cage, Meryl Streep, Paul Giamatti, Regina King, Bruce Campbell and Lily Tomlin, it was produced by Tom Hanks and Gary Goetzman's Playtone, Davis and Keith Alcorn's DNA Productions, and Legendary Pictures in their first animated film, and distributed by Warner Bros. Pictures.