Revealing mistake: During the first major Zulu attack, a warrior leaps down from the rampart and faces a British soldier (near the bottom right of the screen). The soldier lunges with his rifle and it's all too visible that his bayonet stabs to the side of the Zulu's chest.
Continuity mistake: At the police station, there is a close up of a cup popping down out of a coffee machine as it starts to be filled. The cup is turned so the logo isn't showing. But in the next shot as a lady cop reaches to pull it out, the cup is turned so the logo is facing out towards the camera. (00:26:25)