Casey Kasem
Shaggy Rogers (voice)
Acting
Don Messick
Scooby-Doo / Scrappy-Doo (voice)
Acting
B.J. Ward
Googie / Repulsa (voice)
Acting
Hamilton Camp
Dracula (voice)
Acting
Pat Musick
Vanna Pira (voice)
Acting
Rob Paulsen
Brunch (voice)
Acting
Frank Welker
Crunch (voice)
Acting
Jim Cummings
Frankenstein / Skull Head / Genghis Kong (voice)
Acting
Brian Stokes Mitchell
Bonejangles (voice)
Acting
Ed Gilbert
Dr. Jackyll / Mr. Snyde (voice)
Acting
Alan Oppenheimer
Mummy (voice)
Acting
Joan Gerber
Dreadonia Witch / Woman at Store (voice)
Acting
Mimi Seaton
Screamer (voice)
Acting
Sven Libaek
"The Werewolf Rock" Singer (uncredited voice)
Sound