Documentary Narrator (voice)
Mr. Krabs (voice)
Patrick (voice)
Squidward (voice)
Plankton (voice)
Sandy (voice)
Otto (voice)
SpongeBob / Gary / French Narrator (voice)
Karen (voice)
Chancellor (voice)
Poseidon (voice)
Young SpongeBob (voice) (as Antonio Raul Corbo)
Sage
Zombie / Croupier
Zombie
Zombie (as Tom Sheeter)
Dancer
Dancer (as Marie Iris Spieldenner)
The Gambler
El Diablo
Dealer (voice) (as Richard Pasqualone)
Poseidon Concierge (voice)
Young Sandy (voice)
Young Patrick (voice)
Mrs. Puff (voice)
Young Squidward (voice)
Master of Ceremonies (voice)
Perch Perkins (voice)
Security Guard (voice)
Additional Voices (voice)
Additional Voices (voice) (as Stephen Apostolina)
Additional Voices (voice) (as Richard Horvitz)
Additional Voices (voice) (as Benjamin Dean Plessala)