In this wild and outrageous computer-animated comedy-adventure an odd assortment of animals from the New York Zoo - including a lion a giraffe an anaconda a koala and a squirrel - discover what a jungle the city can be when one of their own is mistakenly shipped to the wild and they embark on a dangerous mission to rescue him. The film boasts an impressive vocal ensemble - Kiefer Sutherland (as the respected lion leader Samson) Greg Cipes (as Samson's son Ryan) Jim Belushi (as Benny the street savvy squirrel and Samson's best friend) Janeane Garofalo (as a quick-witted giraffe) Richard Kind (as a dim-witted anaconda) William Shatner (as a wicked wildebeest) and Eddie Izzard (as Nigel an acerbic koala) - along with cutting edge animation and a story filled with hilarious situations.