SpongeBob SquarePants/Gary/Mr. SquarePants/Patchy The Pirate/Narrator
Tom Kenny
Squidward Tentacles
Rodger Bumpass
Patrick Star
Bill Fagerbakke
Mr. Eugene H. Krabs
Clancy Brown
Sandy Cheeks (voice)
Carolyn Lawrence
Plankton/Larry the Lobster
Mr. Lawrence
The Dirty Bubble
Charles Nelson Reilly
Guest Voice
Tiny Tim
Guest Voice
Junior Brown
Karen
Jill Talley
Mrs. Puff (voice)
Mary Jo Catlett
Real Estate Agent
Sirena Irwin
King Neptune (voice)
John O'Hurley
Guest Voice
Don Newhouse
Flying Dutchman
Brian Doyle Murray
Lifeguard / Pants / Loser #2
Dee Bradley Baker
Fireman
Carlos Alazraqui
Mermaid Man (voice)
Ernest Borgnine
Guest Voice
Ghastly Ones
Singing Scallops
June Tedesco
Guest Voice
Jim Jarmusch
Guest Voice
John Lurie
Kid
Sara Paxton
Barnacle Boy (voice)
Tim Conway
Kid
Camryn Walling
Pearl Krabs
Lori Alan
Man Ray (voice)
Bob Joles
Nosferatu
Alexander Ward
Granny Plankton (voice) / Granny Plankton / Nurse (voice)
Laraine Newman
Man Ray (voice)
John Rhys-Davies
Santa Claus (voice)
Lewis Black
Master Udon
Pat Morita
Musical guest
Dimebag Darrell