Scooby-Doo on Zombie Island/Trivia

Hey, It's That Voice!: Frank Welker reprises his role of Fred Jones, and is the only pre-A Pup Named Scooby-Doo voice actor in the cast.
- Cam Clarke as Beau the gardener/detective.
- Tara Strong as Lena the cook/cat girl.
- Jim Cummings as Jacques the captain/cat man.
- Mark Hamill makes a small appearance as Snakebite Skrugs, the creepy fisherman.
- Billy West as Shaggy.
The Other Darrin: Scooby, Shaggy, Daphne, and Velma all have new voice actors (Shaggy is voiced by Billy West, and Velma's actress had previously provided vocals for a Johnny Bravo/Scooby Doo Crossover).