White hunter Allan Quartermain and his enigmatic guide help a young Irish woman locate her missing father in unexplored Darkest Africa.
| Actor | Role |
|---|---|
 Paul RobesonUmbopa | Umbopa |
 Cedric HardwickeAllan Quartermain | Allan Quartermain |
 Anna LeeKathleen 'Kathy' O'Brien | Kathleen 'Kathy' O'Brien |
 Roland YoungCmdr. John Good | Cmdr. John Good |
 John LoderSir Henry Curtis | Sir Henry Curtis |
 Frederick LeisterDiamond Buyer | Diamond Buyer |
| RRobert AdamsTwala | Twala |
| TTony WaneInfadoos | Infadoos |
| AArthur SinclairO'Brien | O'Brien |
| AArthur GoulletSylvestra | Sylvestra |
| MMakubalo HlubiKapse | Kapse |
| MMjujwaScragga | Scragga |
 Sydney FairbrotherGagool | Gagool |
| AAlf GoddardRed | Red |
| BBen KubelaNot listed | Not listed |