Thala57/AK57 is untitled upcoming Indian action Tamil film written and directed by Siva. It features Ajith Kumar, Kajal Aggarwal and Akshara Haasan in the lead roles while Vivek Oberoi appears as the antagonist. Principal photography of the film commenced at Slovenia in August 2016 and is scheduled for a worldwide release in April 2017. It is said that Thala 57 is going to be the highest budget film ever for Ajith Kumar.