Eddie Spenser Jr. / Brat-A-Rat / Haunter / Big Tooth / Eddie Spenser Sr. / Floatzart / Benny / Big Evil / Great Ghost Gorilla / King Arthur / Morrow / Anthrax / Beast / Beefeater / Count Freeze / Delwin / Dr. Alex Miller / Dragon / Duke Fenwick / Eddie Spencer Sr. / Enrique Sandoval / GT-6 / Golem General / Groovy Goblin / Guard / Harpoon / High Priest of All Egypt / Inspector Cushette / Invertroid / Jim / John Guardian / Joseph / Knight of Terror / Lord Mayor / Marcus Phantomus / Marshal Clint Kong / Master Computer / Minister / Molar / Moleman / Moon Phantom / Mr. Smythe / Museum Guard / Pirate / President of the United States / President of the World Federation / Ramon de la Torres / René LaLump / Robot Gorilla / Sleeping Goblin / Slort / Sorcerer of Nescatutl / Swab / Tempo / The Great Dragon / Victor
Prime Evil / Fangster / Long John Scarechrome / Airhead / Merlin / Professor Von Zifflin / Unga / Beastly Buggy / Caesar / Cameraman / Clyde / Construction foreman / Corporal / Doctor Creep / Dr. Ricer / Engineer / Foreman / GT-7 / Ghost Creeper / Ghoul-Aide / Golem Guard / Grandpa Kong / Guard / Gypsy / Headless Horseman / Hot Rod / Messenger / Moleman / Mr. Parker / Mr. Squid / Munro the Mad Magician / Museum Guard / Nexor / Park Ranger / Pedestrian / Peter / Prince Otis / Quiver / Rexacor / Salem Judge / Sam the Bartender / Slave Driver / Snookums / Voodun / Wally / Wizard of Blackstone
Shock Clock / Corky / Additional Voices / Skelevator / Cavity / Eaves / Antonio's Pizza / Emelita de la Torres / Flossy / Humberto de la Torres / Little Girl / Mac / Mr. Clam / Rae / Rafter