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 Garcia
Young SpongeBob (voice)

Jack Gore
Young Patrick (voice)

Jason Maybaum
Young Squidward (voice)

Dee Bradley Baker
Perch Perkins (voice)