Watch & Enjoy Don’t Worry Da Machi Song Launch Event LIVE Movie Name : Rathnam Cast - Vishal, Priya Bhavani Shankar, Samuthirakani, Yogibabu and Gautham Vasudev Menon. Story, Screenplay, Dialogue and Direction - Hari Music - Devi Sri Prasad DOP - M Sukumar Stunt - Kanal Kannan, Peter Hein, Dhilip Subbrayan, Vicky Art Director - P V Balaji Editor - T S Jay PRO : Nikil Murukan (Tamil ), Sai Sathish (Telugu ) Production Controller : Ganesh PS Production Coordinator : Rajkumar Executive Producer : Ashok Narayanan M Associate Producer : Pavan Narendra Co Produced by : Kalyan Subramaniam , Alankar Pandian (Invenio Origin) Produced by : Kaarthekeyen Santhanam, Zee Studios Audio on Aditya Music