Fred Jones / Scooby-Doo (voice)

Velma Dinkley (voice)

Shaggy Rogers (voice)

Daphne Blake (voice)

Demon (voice)

Starchild (voice)

Catman (voice)

Manny Goldman (voice)

Chip McGhoo (voice)

Delilah Domino (voice)

Shandi Strutter (voice)

The Elder (voice)

The Destroyer (voice)

Chikara (voice)

Worker #1 (voice)

Worker #2 (voice)

Announcer (voice)

Spaceman (voice)