Main cast members:

Other voice roles:

  • Patchy the Pirate: Tom Kenny
  • Potty the Parrot: Stephen Hillenburg/Paul Tibbitt/Mr. Lawrence
  • French Narrator: Tom Kenny
  • Mermaid Man: Ernest Borgnine
  • Barnacle Boy: Tim Conway
  • Flying Dutchman: Brian Doyle-Murray
  • King Neptune: John O'Hurley/Jeffrey Tambor
  • Realistic Fish Head: Mr. Lawrence
  • Perch Perkins: Dee Bradley Baker
  • Larry the Lobster: Mr. Lawrence
  • Harold SquarePants: Tom Kenny
  • Margaret SquarePants: Sirena Irwin

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