Pemeran
Casey Kasem
Shaggy Rogers / Mirror Monster (voice)
Don Messick
Scooby-Doo / Scrappy-Doo (voice)
Glynis Johns
Ms. Grimwood (voice)
Susan Blu
Sibella Dracula (voice)
Patty Maloney
Tanis the Mummy (voice)
Pat Musick
Elsa Frankensteen (voice)