Mr. Lawrence Plankton / Teen Plankton / Rube / Snorkler (voice) Jill Talley Karen / All the Karens / Alarm Voice / Stiletto Woman / Old Lady Cane (voice) Tom Kenny SpongeBob / Random Student / Gary / French Narrator (voice) Bill Fagerbakke Patrick / Troop (voice) Rodger Bumpass Squidward / Fish Troop / Goofy Goober Employee (voice) Carolyn Lawrence Sandy (voice) Clancy Brown Mr. Krabs / Pa Plankton (voice) Mary Jo Catlett Mrs. Puff (voice) Lori Alan Pearl / A Woman in Crowd (voice) Dee Bradley Baker Perch Perkins / Roommate / Guy in the Back of the Crowd / Muscle Fish (voice) Kate Higgins Ma Plankton (voice) Sale Taylor Ice Cream Guy Austin Valli Fitness Bro Toby Larsen Sand Castle Boy