Troy (2004)

Visible crew/equipment: As Achilles' ship nears the Trojan shores, Agamemnon snidely asks, "What's the fool doing? He's going to take the beach of Troy with fifty men?" At the start of the next shot, as the camera begins to pan down, on the far right, just beside a person's (who is dressed in blue) head is a metal bullhorn (ie. used to give instructions to cast/crew, and which definitely doesn't belong in this time period). (00:36:35)

Super Grover ★

Hector: All my life I've lived by a code; and the code is simple: Honor the gods, love your woman, and defend your country. Troy is mother to us all. Fight for her!

Trivia: Near the end of the movie, Paris hands the Sword of Troy off to a young man called Aeneas saying something along the lines of "Troy will always have a future so long as this sword is held by a Trojan." This was a little nod to Virgil's Aeneid which describes the travels of Aeneas after the Trojan War and who was an antecedent of Romulus and Remus (the legendary founders of Rome).

Question: What's the use of those sharp poles the Trojans put on the beach before the Greeks land? They're too large to be of use against infantry, and the Greeks don't use cavalry, and wouldn't be likely to use cavalry to storm the beach even if they did.