Frank Welker credited as playing...
Fred Jones • Scooby-Doo • Barty Blake • The Freak • Char-Gar Gothakon • Cicada Creature • Cletus Darrow • Dynomutt • Gnome • Green Humongounaut • Jabberjaw • Man Crab • Manticore • Monstrous Freak • Mr. Peaches • Nibiru • Nightfright • Pig Monster • Scooby the Seal • Speed Buggy • Valdesh Helgenjew
