Looks like voice behind Azura, the dancing girl and main character from Fire Emblem Fates, is Rena Strober as confirmed on her personal Twitter account. She is so far the only person confirmed to be in the English cast of the game.

Rena Strober is a voice actress and singer from New York, and her works includes voicing characters in animations such as Esmeraude from Sailor Moon, Kanami Mashita from Persona 4 Animation and for her acting in TV shows such as Law & Order, Kings, Bing Bang Theory and Liv & Maddie.

Fire Emblem Fates was confirmed to be released next year for the Nintendo 3Ds, where both releases are called Conquest and Birthright.