An expedition arrives on an uncharted jungle island to rescue the local natives, led by a jungle boy, from a volcano that is about to erupt.
| Actor | Role |
|---|---|
 Bruce BennettLincoln Rand Jr / Kioga | Lincoln Rand Jr / Kioga |
 MalaKias | Kias |
 Monte BlueYellow Weasel | Yellow Weasel |
 Harlene WoodBeth Munro | Beth Munro |
 Noble JohnsonMokuyi | Mokuyi |
 William RoyleManuel Solerno | Manuel Solerno |
 Tom ChattertonDoctor Edward Munro | Doctor Edward Munro |
 George EldredgeAllan Kendall | Allan Kendall |
| PP.J. KellyWilliam Williams | William Williams |
 Dick WesselDirk | Dirk |
 Fred 'Snowflake' ToonesGeorge | George |
 TuffyTawnee | Tawnee |