- Tom Kenny
- SpongeBob / Cabin / Clam / Snail / Tall Tail / Vampire Monster / Sea Urchins / Jellyfish / Anchovies (voice)
- Bill Fagerbakke
- Patrick / Anchovy #2 / Roh / Sea Urchins / Anchovies (voice)
- Rodger Bumpass
- Squidward / Regigilled / The Creeper / Sea Urchins (voice)
- Clancy Brown
- Mr. Krabs / Anchovies (voice)
- Carolyn Lawrence
- Sandy / Rea / Teen Girls / Sea Urchins / Anchovies (voice)
- Mr. Lawrence
- Plankton / Larry the Lobster / Anchovy #1 / Sea Bunnies / Sea Urchins (voice)
- Lori Alan
- Pearl / Teen Girls (voice)
- Carlos Alazraqui
- Harvey / Anchovy #3 / Sea Bunnies / Sea Urchins / Nobby / Orange Fish (voice)
- Dee Bradley Baker
- Bubble Bass / Kevin C. Cucumber / Craig Mammalton / Kidferatu / Rock Monster / Anchovies (voice)
- India de Beaufort
- Maisey Manes
- Grey Griffin
- Preda Tory / Big Roxie / Elwood (voice) (as Grey DeLisle)
- Mary Jo Catlett
- Mrs. Puff
- John Gegenhuber
- Jimmy Blobfish / Anchovies (voice)
- Jess Harnell
- The Kraken
- Kate Higgins
- Little Roxie / Narlene (voice)
- Sirena Irwin
- Lady Upturn / Nurse Helga / Mo / Teen Girls (voice)
- Jill Talley
- Karen / Sea Urchins (voice)
- Alexander Ward
- Nosferatu
