Continuity mistake: In the end of the movie, Hilts (Steve McQueen) is returned to the camp - he is dirty and his shirt is torn. When he enters the cooler, after being tossed his baseball glove, he is clean and his shirt is no longer torn. (02:49:50)
Other mistake: After there has been the vote for chief, behind one boy you can see a piece of wood reading "Anthony M," a marker for showing where the actor (Anthony McCall-Judson) should sit. (00:13:25)
Visible crew/equipment: After Apollodorus tells Cleopatra the disturbing news from the city, of the frightened people and hundreds of notices, when Cleopatra adds, "Signed by Octavian...promising the Egyptian people peace," the overhead boom mic casts a shadow that moves up on the wall, at the upper right side of the screen. (03:33:20)
Visible crew/equipment: During the prologue, the shadow of the moving camera crane is cast on the drum.