Sands of the Kalahari

Sands of the Kalahari is a 1965 British adventure film starring Stuart Whitman, Stanley Baker, Susannah York, Harry Andrews and Theodore Bikel, based on the 1960 novel by William Mulvihill. The screenplay was written by Cy Endfield and William Mulvihill and directed by Cy Endfield. It was filmed in SouthWest Africa and Spain and released by Paramount Pictures.

In addition to OBriens treachery, the survivors are menaced by a troop of baboons inhabiting the area. Initially content to holler at the intruders from the distance, the animals gradually become more aggressive.Before OBrien is able to bring his dastardly plan to fruition, a fellow survivor he had driven off into the desert at gun point presumably to die returns with a rescue party. The remaining survivors make their escape in a helicopter. OBrien, however, aware he will be prosecuted for murder if he returns to civilization, chooses to remain behind. ........

Source: Wikipedia