Plankton: A film

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)