This article is rated PG, meaning it contains content that may be inappropriate for users the age of 8 and under.
- Tom Kenny - SpongeBob Squarepants/Gary the Snail
- Max Records - Max
- Bill Fagerbakke - Patrick Star/Bernard the Bull
- Carolyn Lawrence - Sandy Cheeks
- Catherine O'Hara - Judith
- Paul Dano - Alexander
- Pepita Emmerich - Claire
- Steve Mouzakis - Max's teacher
- Catherine Keener - Connie
- Mark Ruffalo - Adrian
- Lewis Black - Carol
- Lauren Ambrose - K.W.
- Rodger Bumpass - Squidward Brownshirt
- Bill Hader - Douglas
- Mr. Lawence - Plankton
- Clancy Brown - Mr. Krabs/Ira
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