Cast & Crew

So far this is the cast:

Actor	Role
Ajith Kumar	Billa
Shriya Saran	Priya
Nayanthara	Vidya

Isha Sharvani could also feature as reported.

Crew:

Profession	Name
Director	Vishnuvardhan
Screenplay	Vishnuvardhan
Story	Salim Khan, Javed Akhtar
Dialogue	Vishnuvardhan
Script	Vishnuvardhan
Producer	L.Suresh
Music	Yuvan Shankar Raja
Choreography	Raju Sundaram
Editor	A. Sreekar Prasad
Director of Photography	Nirav Shah

source: Wikipedia