<P> When Fish pushes a button on the back of the hexagon, it flies into the sky, taking Fish with it . It turns out to be part of the camouflage of an invisible UFO . Chicken Little manages to ring the bell to warn everyone, but the aliens see the crowds coming and manage to escape, leaving an orange alien child behind . No one believes the story of the alien invasion, and Chicken Little is ridiculed yet again...until the next day . He and his friends discover the orange alien, and a few minutes later a whole fleet of alien ships descends on the town and start what appears to be an invasion . The invasion is actually a misunderstanding, as the two aliens are looking for their lost child and attack only out of concern . As the aliens rampage throughout Oakey Oaks, vaporizing everything in their path, Little realizes he must return the alien to his parents to save the planet . First, though, he must confront his father and regain his trust . </P> <P> In the invasion, Buck, now regaining his pride and trust in his son, defends him from the aliens until they get vaporized . It is then discovered that the aliens weren't vaporizing people, but the ray guns had teleported them aboard the UFO . Afterwards, the aliens return everything to normal (except Foxy Loxy, whose brain got scrambled, turning her into a Southern belle, and as a result, Runt falls for her), and everyone is grateful for Chicken Little's efforts to save the town . </P> <Ul> <Li> Zach Braff as Chicken Little, a young and diminutive rooster who suffers under the reputation for being crazy since he caused a panic saying the sky was falling . </Li> <Li> Joan Cusack as Abigail "Abby" Mallard (also known as the Ugly Duckling), a female duck (implied swan) with buckteeth . She takes a generally optimistic approach to life . Unfortunately, she is often teased by Foxy for her appearance . She is Chicken Little's best friend, and by the end, his girlfriend . </Li> <Li> Dan Molina as Fish Out of Water, a goldfish with a scuba helmet filled with water who lives on the surface . He makes gurgling sounds, cannot speak properly and acting out what he feels . He is not very shy around others and he will perform brave stunts without fear . </Li> <Li> Steve Zahn as Runt of the Litter, a large pig with a huge heart who is much larger than the other children, but is far smaller than the other massive members of his family . Runt is easily frightened, anxious, and prone to panic . </Li> <Li> Garry Marshall as Buck "Ace" Cluck, Chicken Little's widowed father and a former high school baseball star . </Li> <Li> Amy Sedaris as Foxy Loxy, a mean, young fox who is a baseball star and the "hometown hero". She is also a tomboy and one of the "popular kids" at school . In the original fable as well as the 1943 short film, Foxy is a male fox . </Li> <Li> Mark Walton as Goosey Loosey, a dim - witted goose and Foxy Loxy's best friend and henchwoman . </Li> <Li> Don Knotts as Turkey Lurkey, a turkey and the mayor of Oakey Oaks, who is friendly and sensible, but not very bright . </Li> <Li> Sean Elmore, Matthew Michael Joston, and Evan Dunn as Kirby, an energetic and hyper alien child . </Li> <Li> Fred Willard as Melvin, Kirby's father and Tina's husband . </Li> <Li> Catherine O'Hara as Tina, Kirby's mother and Melvin's wife . </Li> <Li> Mark Dindal as Morkubine Porcupine, one of the cool kids . Dindal also provides the voice of Coach in the film . </Li> <Li> Patrick Stewart as Mr. Woolensworth, the class' sheep language teacher . </Li> <Li> Wallace Shawn as Principal Fetchit, the school's principal . </Li> <Li> Patrick Warburton as Alien Cop </Li> <Li> Adam West as Ace - Hollywood Chicken Little </Li> <Li> Harry Shearer as Dog Announcer, the baseball announcer at Chicken Little's school and a news reporter for Oakey Oaks . </Li> </Ul> <Li> Zach Braff as Chicken Little, a young and diminutive rooster who suffers under the reputation for being crazy since he caused a panic saying the sky was falling . </Li>

Who voices the ugly duckling in chicken little