Albert Brooks as Marlin-Albert brooks is a 70 year old actor, writer, and director.
Ellen Degeneres as Dory-Ellen is now known most for her talk show and her acting.
Alexander Gould as Nemo-Alexander has been acting seen he was 2 years old and is most famous for his voice as nemo.
Willem Dafoe as Gill- Willem is a 60 year old actor and has performed over 80 films in Hollywood.