Demophilus (Greek: Δημόφιλος Demophilos), according to Herodotus, was the commander of a contingent of 700 Thespians at the Battle of Thermopylae (480 BC).
[1] Demophilus and his men fought at the battle and at the end they stood along with the 300 Spartans at the last stand, all were killed.
[2] The ancient Greek traveler and geographer Pausanias also wrote about the stay of the Thespians at Thermopylae together with the Spartans.
[4] Later, the Thespians fought against the Persian army at the Battle of Plataea (479 BC).
In the 1962 movie The 300 Spartans, Demophilus was portrayed by the Greek actor Yorgos (George) Moutsios.