SpongeBob SquarePants / Patrick Star / Gary (voice)

Mr. Krabs / Squidward Tentacles / Prisoner / Singing Goofy Goober / The Royal Crown Polisher (voice)

Plankton (voice)

Karen (The Computer Wife) (voice)

Sandy (voice)

Mrs. Puff / Victor / Lloyd (voice)

King Neptune / Floyd / Perch Perkins (voice)

Mindy / Usher (voice)

Dennis (voice)

David Hasselhoff / Phil / The Goofy Goober Clock (voice)