What was the name of Achilles personal army or group 50 men in movie TROY?

In the movie "Troy", Achilles does not have a personal army or group of 50 men. His force is made up of Myrmidons, a large and powerful contingent of warriors from the city of Phthia.

The movie does not specify a specific number for the Myrmidons, but they are portrayed as a significant force, with their strength and skill being one of the main reasons why the Greeks are able to engage the Trojans in battle.