Jungle Jim fights enemy agents who are trying to steal cobalt while disguised as crocodiles.
| Actor | Role |
|---|---|
 Johnny WeissmüllerJohnny Weissmuller | Johnny Weissmuller |
 Judy WalshLuora | Luora |
 David BruceArnold King | Arnold King |
 Bruce CowlingRovak | Rovak |
 Charles EvansCommissioner | Commissioner |
 Steve DarrellJohn King | John King |
 Joseph AllenJason | Jason |
| KKimbaKimba the Chimp | Kimba the Chimp |
 Jack PerryRovak's Henchman | Rovak's Henchman |