Ηθοποιοί επεισοδίου
Alan ReedFred Flintstone (voice)
Μελ ΜπλανκBarney Rubble (voice)
Jean Vander PylWilma Flintstone (voice)
Bea BenaderetBetty Rubble (voice)
Don MessickArnold (voice)
Henry CordenFred Flintstone / Monkey #2 / Turtle #2 (voice)
Gay AuttersonBetty Rubble / Nurse / Turtle #1 (voice)
John StephensonFrank Frankenstone / Dinosaur / Monkey #1 (voice)