Watch Hello Sare Video Promo. Thambi features Karthi and Jyotika as the lead brother-sister duo, Touted to be a thriller, Thambi also stars Sathyaraj, Nikhila Vimal, Seetha, Anson Paul and Sowkar Janaki among others and is slated for a release in December, 2019. 96 fame Govinth Vasantha Scores music for the film.