Full Cast & Crew
Top Billed Cast
Full Cast
Frank Welker
Crunch (voice)
Jim Cummings
Frankenstein / Skull Head / Genghis Kong (voice)
Brian Stokes Mitchell
Bonejangles (voice)
Ed Gilbert
Dr. Jackyll / Mr. Snyde (voice)
Alan Oppenheimer
Mummy (voice)
Joan Gerber
Dreadonia Witch / Woman at Store (voice)
Mimi Seaton
Screamer (voice)
Sven Libaek
"The Werewolf Rock" Singer (uncredited voice)
Crew
Ray Patterson
Director
Jim Ryan
Writer
William Hanna
Executive Producer
Joseph Barbera
Executive Producer
Bernard Wolf
Producer
Sven Libaek
Original Music Composer
Gil Iverson
Editor
Andrea Romano
Casting
Ray Patterson
Animation Director