M Nassar is an Indian film actor director and producer who mainly works in the South Indian film industry He is the incumbent president of the Nadigar Sangam Nassar made his acting debut in K Balachanders Kalyana Agathigal 1985 portraying a secondary supporting role before moving on to play villainous roles in S P Muthuramans Velaikaran 1987 and Vanna Kanavugal He played the protagonist in Yuhi Sethus Kavithai Paada Neramillai though his breakthrough role came through his performance as a police officer in Mani Ratnams Nayakan He subsequently became a regular in Mani Ratnam and Kamal Haasans ventures appearing in pivotal character roles in Roja Thevar Magan 1992 Bombay 1994 and Kuruthipunal 1995 Nassar made his directorial debut with Avatharam 1995 a film based on the backdrop of a folk art troupe The film won critical acclaim but failed to become a commercially successful venture