S. N. Swamy

S. N. Swamy is an Indian screenwriter and actor who works in Malayalam cinema. Particularly known for scripting films in the thriller genre. He has frequently collaborated with directors K. Madhu and Joshiy.

Swamy is the creator of some of the well-known fictional characters in Malayalam cinema including Sagar Alias Jacky (portrayed by Mohanlal) and Sethurama Iyer (portrayed by Mammootty). Sagar Alias Jacky, a notorious gold smuggler, was the protagonist in Irupatham Noottandu (1987) and the eponymous Sagar alias Jacky Reloaded (2009), it spiritual successor. Sethurama Iyer, a CBI officer and the protagonist of the CBI film series, was based on a real-life police officer called Radhavinod Raju who retired as Chief of India's National Investigative Agency. The film had four sequels. The character Inspector Balram appeared in the 1986 film Avanazhi and sequel Balram vs. Tharadas. Another character which has a cult following is Ali Imran, a cop played by Mohanlal in Moonnam Mura (1988).