Incorrectly regarded as goofs: When the Trojans invade the shores at daybreak to initiate the second battle, it is quite obvious that Brad Pitt was playing the role of Patroclus until his throat was cut. First, you can clearly see Pitt's face in Achilles' helmet in the close-up shots when he is about to start fighting with Hector. Second, you can see the significant change in Patroclus' physique before and after Hector cut his throat. However, in the actual epic
The Iliad, Patroclus is disguised by the gods to look like Achilles until Hector kills him, explaining why Pitt fills the role until Patroclus's death - he is meant to look like Achilles.
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