A paleontologist and her husband discover a mother and baby brontosaurus in Africa, and try to protect them from hunters who want to capture them.
| Actor | Role |
|---|---|
 William KattGeorge Loomis | George Loomis |
 Sean YoungSusan Matthews-Loomis | Susan Matthews-Loomis |
 Patrick McGoohanDoctor Eric Kiviat | Doctor Eric Kiviat |
 Julian FellowesNigel Jenkins | Nigel Jenkins |
 Edward HardwickeDr. Pierre Dubois | Dr. Pierre Dubois |
| KKyalo MativoCephu | Cephu |
 Hugh QuarshieKenge Obe | Kenge Obe |
 Olu JacobsCol. Nsogbu | Col. Nsogbu |
 Eddie TagoeSgt. Gambwe | Sgt. Gambwe |
 Julian CurryEtienne | Etienne |
| AAlexis MelessGuide | Guide |
| SSusie NottinghamBaki - Laboratory Assistant | Baki - Laboratory Assistant |
| SStephane KroraPort Captain | Port Captain |
| AAnthony SarfohVillage Chief | Village Chief |
| JJeannot BannyKilled Soldier | Killed Soldier |
| RRoger CarltonOld African | Old African |
 Thérèse TabaColleague | Colleague |