Paul Tibbitt, Dave Cunningham, Vincent Waller, Alan Smart
Tom Kenny (Chum / Beefy Chum / Hillfolk / Mustache Narwhal / WillyBob / Sea Bear / Sea Mule / Gary / SpongeBob), Bill Fagerbakke (Planktons / Hillfolk / Patrick), Rodger Bumpass (Hillfolk / Small Yellow Narwhal / Squidward), Mr. Lawrence (Chum / Planktons / Hillfolk / Fish Announcer / Plankton), Carlos Alazraqui (Planktons / Citizens / Hillfolk / Head Nearwhal / Plankton's Cousin #1 / Nobby), Kate Higgins (Hillfolk / Plankton's Mom / Narlene), Clancy Brown (Chum / Sea Gator / Chum #1 / Mr. Krabs), Dee Bradley Baker (Chum / Sludge / Bubble Bass's Mother / Bubble Bass), Jill Talley (Chum / Baby Chum)