Mr. Lawrence

as Plankton / Teen Plankton / Rube / Snorkler (voice)

Jill Talley

as Karen / All the Karens / Alarm Voice / Stiletto Woman / Old Lady Cane (voice)

Tom Kenny

as SpongeBob / Random Student / Gary / French Narrator (voice)

Bill Fagerbakke

as Patrick / Troop (voice)

Rodger Bumpass

as Squidward / Fish Troop / Goofy Goober Employee (voice)

Carolyn Lawrence

as Sandy (voice)

Clancy Brown

as Mr. Krabs / Pa Plankton (voice)

Mary Jo Catlett

as Mrs. Puff (voice)