An American engineer reaches Mombasa to finish the works of an African railroad and to find his predecessor, who has mysteriously disappeared. While the work continues, will have to face several obstacles, especially violent local tribes, Arabs slave traders and wild animals.
| Actor | Role |
|---|---|
 Robert TaylorRobert Adamson | Robert Adamson |
 Anthony NewleyHooky Hook | Hooky Hook |
 Anne AubreyJane Carlton | Jane Carlton |
 Grégoire AslanBen Ahmed | Ben Ahmed |
 Allan CuthbertsonSexton | Sexton |
 Martin BensonAli | Ali |
 Orlando MartinsChief | Chief |
 Donald PleasenceCaptain | Captain |
 Earl CameronWitchdoctor | Witchdoctor |
 John DimechPasha | Pasha |
 Martin BoddeyGunther | Gunther |
 Harry BairdBoraga | Boraga |
 Anthony JacobsMustaph | Mustaph |