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
Carolyn Lawrence
Squilliam Fancyson (voice)
Dee Bradley Baker
Plankton/Larry the Lobster
Mr. Lawrence
Guest Voice
Jeff Garlin
Santa Claus (voice)
Lewis Black
Mrs. Puff (voice)
Mary Jo Catlett
Sirena Irwin
Gary
Keith David
Flying Dutchman (voice) / Flying Dutchman / Dutchbomb
Brian Doyle-Murray
Mermaid Man (voice)
Ernest Borgnine
Barnacle Boy (voice)
Tim Conway
Man Ray (voice)
Bob Joles
Nosferatu
Alexander Ward
Granny Plankton (voice) / Granny Plankton / Nurse (voice)
Laraine Newman
Man Ray (voice)
John Rhys-Davies
King Neptune (voice)
John O'Hurley
Master Udon
Pat Morita
Musical guest
Dimebag Darrell
Kid
Camryn Walling