Kaththi Coin Full Fight Scene reion by Dex & Mike. \rbr\rbr\rbrKaththi (English: The Knife) is a new Indian Tamil ion drama film written and directed by AR Murugadoss.[3] The film stars Vijay in dual roles while Samantha Ruth Prabhu, Neil Nitin Mukesh, Tota Roy Chowdhury and Sathish play supporting roles.