Marlin- Nemo's dad, obsessed with finding his son

Nemo- Protagonist, Main character

Dentist- Supporting Character 

Darla- Dentist's neice, and she is a fish killer

Chorus:

-Pelican (Nigel)

-Turtle (Crush)

-Fish (Gill)

-Starfish (Peach)

-Blow fish (Bloat)

-Fish (Bubbles)

-Shrimp (Jacques)

-Fish (Gurgle)

-Fish (Deb/Flo)