Revealing mistake: Although "Man" is supposed to be completely naked, there are several shots where his flesh-colored briefs are visible. Most noticeable when he is initially set loose to be chased.
Revealing mistake: In the scene immediately after Cornel Wilde throws a spear at antelopes and misses, we get a close up shot of Cornel. In the background amongst the bushes a white vehicle moves along, obviously on a roadway. The scene is set in the wilderness of Africa sometime during the 19th century.