Factual error: The actual Tsavo lions responsible for the killings had no manes - see for yourself; they are on display at the Field Museum in Chicago. [The filmmakers employed artistic license in using maned lions. They were also certain to include -- at the very end of the movie -- footage of the real Tsavo maneaters, as they appear in the Field Museum.]
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Mistakes
The actual Tsavo lions responsible for the killings had no manes - see for yourself; they are on display at the Field Museum in Chicago. [The filmmakers employed artistic license in using maned lions. They were also certain to include -- at the very end of the movie -- footage of the real Tsavo maneaters, as they appear in the Field Museum.] See more...
Trivia
Col Patterson's employer, Dr Beaumont, played by Tom Wilkinson, was actually eaten by a lion while visiting Africa. See more...
The Ghost and the Darkness mistakes
Continuity: In the scene where the lion is trying to get into the tree where Val Kilmer's hiding, it flashes to the lion, then Pitt, then the lion again. On the first lion flash its face is clean, then on the second lion flash its face is covered in blood.
Visible crew/equipment: When the plan to kill the lion is set with the old hospital, as they do a shot of the outside of the hospital, you can see what appears to be a crew member coming out of the tent in the front of the shot.
The Ghost and the Darkness trivia
Col Patterson's employer, Dr Beaumont, played by Tom Wilkinson, was actually eaten by a lion while visiting Africa.