Fred Flintstone (voice)
Barney Rubble / Dino / Guy #2 / Bat (voice)
Wilma Flintstone / Pebbles Flintstone (voice) (as Jean Vanderpyl)
Betty Rubble (voice)
Len Frankenstone (voice)
Bamm-Bamm Rubble / Hoppy / Turtle / Cat / Barking (voice)
Doc (voice)
Dracuslab / Guy #1 / Dr. Zero / Pterodactyl (voice)