Animated documentary talking about the United States' use of oil.
| Actor | Role |
|---|---|
 Charlton HestonNarrator (voice) | Narrator (voice) |
 Alan ReedFred Flintstone (voice) | Fred Flintstone (voice) |
 Jean Vander PylWilma Flintstone (voice) | Wilma Flintstone (voice) |
 Henry CordenFred's Songs (voice) | Fred's Songs (voice) |