Mark Hamill not only voices Snakebite Scruggs, but also Shaggy and Scooby's airport supervisor, the ghosts of Morgan Moonscar and the Confederate general, and a plantation worker.
In the Mexican Spanish dub, Scooby-Doo and Jacques are both voiced by Francisco Colmenero, and Ricardo Tejedo voices Fred Jones and Snakebite Scruggs.
Bad Export for You: The film originally received a 12 rating in the UK. It had to be cut down by about 3 minutes to get a PG.
Career Resurrection: This was the movie that managed to revive interest in the Scooby-Doo franchise after a period of no new material, leading to a long-running series of Direct-to-Video movies that is still going to this day.
What Could Have Been: Tara Strong says that she and the other voice actors were originally going to speak in Cajun accents. She herself says she found the accent very difficult and Jim Cummings, a master of the Cajun dialect, said they didn't sound authentic, so they just went with typical Louisiana accents.