Voice cast

• Tom Kenny: SpongeBob SquarePants, Gary the Snail, Mr. SquarePants, French Narrator, Patchy the Pirate (live-action performance), miscellaneous characters
• Bill Fagerbakke: Patrick Star
• Rodger Bumpass: Squidward Tentacles, Dr. Gill Gilliam
• Clancy Brown: Mr. Krabs
• Carolyn Lawrence: Sandy Cheeks
• Mr. Lawrence: Plankton, Larry the Lobster, miscellaneous characters
• Jill Talley: Karen
• Lori Alan: Pearl Krabs
• Mary Jo Catlett: Mrs. Puff
• Brian Doyle-Murray: The Flying Dutchman
• Ernest Borgnine: Mermaid Man
• Tim Conway: Barnacle Boy
• Sirena Irwin: Mrs. SquarePants, Mama Krabs ("Enemy-in-Law," "Friend or Foe," "Spongicus")
• Dee Bradley Baker: Squilliam Fancyson, miscellaneous characters
• Frank Welker: Talking Gorilla ("I Had an Accident"), animal vocal effects
• Paul Tibbitt: Mama Krabs ("Sailor Mouth," "Mid-Life Crustacean"), Potty the Parrot (2007-present)
• Stephen Hillenburg: Potty the Parrot (2000-2004)