Jimmy Neutron as Nemo

SpongeBob SquarePants as Marlin

Jenny Wakeman (XJ9) as Dory

Rocko Wallaby as Gill

Sandy Cheeks as Coral

Mr. Krabs as Mr. Ray

Patrick Star as Bubbles

Angelica Pickles as Deb/Flo

Carl Wheezer as Bloat

Squidward Tentacles as Gurgle

Pearl as Peach

Tommy Pickles as Tad

Chuckie Finster as Sheldon

Cindy Vortex as Pearl

Hugh Neutron as Bob

Nick Dean as Ted

Sheen Estevez as Bill

Fred as Nigel

Larry the Lobster as Crush

Gary the Snail as Squirt