Voices: Albert Brooks, Ellen Degeneres, Alexander Gould, Willem Dafoe, Brad Garrett, Allison Janney, Austin Pendleton, Stephen Root, Vicki Lewis, Geoffrey Rush, Elizabeth Perkins.The fretful Marlin and his young son Nemo become separated from each other in the Great Barrier Reef. Nemo, a clown fish, is unexpectedly taken from his home and thrust into a fish tank in a dentist's office overlooking Sydney Harbor. Buoyed by the companionship of a friendly fish named Dory, Marlin embarks on a dangerous trek and finds himself the unlikely hero.