Explorer Paul Hoefler leads a safari into central Africa and what was then called the Belgian Congo, in the regions inhabited by the Wassara and the famous Ubangi tribes.
| Actor | Role |
|---|---|
| HHarald AustinHimself | Himself |
| PPaul L. HoeflerHimself | Himself |
 Lowell ThomasHimself (narrator) | Himself (narrator) |
 Charles GemoraGorilla (uncredited) | Gorilla (uncredited) |