Who betrayed the Spartans?
Matthew Barrera
Updated on May 23, 2026
In the 1962 film The 300 Spartans, Ephialtes was portrayed by Kieron Moore and is depicted as a loner who worked on a goat farm near
Thermopylae
Its shoreline advanced by up to 2 kilometers between 2500 BC and 480 BC but has still left several narrow passages between the sea and the mountains. The narrowest point on the plain, where the battle was probably fought, would have been less than 100 metres (330 ft) wide.
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Who betrayed Leonidas in real life?
role at Thermopylae… pass by the Greek traitor Ephialtes, outflanked them. Sending the majority of his troops to safety, Leonidas remained to delay the Persians with 300 Spartans, their helots, and 1,100 Boeotians, all of whom died in battle.