All the characters you get are:
Vaan
Penelo
Llyud-is a Aegyl, a new race
Balthier
Fran
Kytes-is a young boy from FFXII
Filo-is a young girl from FFXII
Ashe
Basch
Ba'Gamnan-is a enemey in FFXII
Unlike Final Fantasy XII, Revenant Wings is going to have a larger cast, consisting of over 12 characters. Not only that, but the game introduces a new race, the Aegyl, a race of people with wings on their backs.