Tom Kenny SpongeBob SquarePants / Gary the Snail (voice) Bill Fagerbakke Patrick Star (voice) Rodger Bumpass Squidward Tentacles (voice) Mr. Lawrence Plankton (voice) Keanu Reeves Sage Clancy Brown Mr. Krabs (voice) Carolyn Lawrence Sandy Cheeks (voice) Matt Berry King Poseidon (voice) Jill Talley Karen (voice) Mary Jo Catlett Mrs. Puff (voice) Awkwafina Otto (voice) Snoop Dogg The Gambler Danny Trejo El Diablo Tiffany Haddish Master of Ceremonies (voice) Reggie Watts Chancellor (voice) Antonio Raul Corbo Young SpongeBob (voice) Jack Gore Young Patrick (voice) Jason Maybaum Young Squidward (voice) Dee Bradley Baker Perch Perkins (voice) Veronica Alicino Zombie / Croupier Camryn Jones Additional Voices Nedim Jahić Luke (voice)