Casts
Henry Corden
as Fred Flintstone / Monkey #2 / Turtle #2 (voice)
Mel Blanc
as Barney Rubble (voice)
Jean Vander Pyl
as Wilma Flintstone / Pebbles Flintstone / Elephant (voice)
Gay Autterson
as Betty Rubble / Nurse / Turtle #1 (voice)
John Stephenson
as Frank Frankenstone / Dinosaur / Monkey #1 (voice)
Don Messick
as Doctor / Fish #1 / Fish #2 / Parrot / Pigasaurus (voice)