Answer
Marlin, the overly cautious clownfish father, is voiced by Albert Brooks in the 2003 animated film "Finding Nemo." Marlin embarks on a daring journey across the ocean to find his lost son, Nemo, who has been captured by a scuba diver. Along the way, he meets an array of colorful sea creatures, including the forgetful blue tang Dory, voiced by Ellen DeGeneres.