Nalan Kumarasamy was launched into Tamil film industry as a writer in Theeya Velai Seiyanum Kumaru, but was properly launched as a filmmaker in the movie, Soodhu Kavvum. After that, he was last seen directing and writing the movie, Kadhalum Kadandhu Pogum, and as a writer in Super Deluxe. When we contacted him, inquiring about his next project, he had informed us that the scripting has been completed and that he's looking out for production houses. He added that he would keep us posted, had anything been fixed in this project.

Apart from writer and director he has also sported the avatar of actor in small roles in the movies like Pizza, Soodhu Kavvum, Jigarthanda, Enakkul Oruvan and Kattappava Kanom. Nalan Kumarasamy was the title winner of the first season of Naalaya Iyakunar.

His movie, Soodhu Kavvum was a cult classic film and set pathways for the following movies and his Kadhalum Kadandhu Pogum was an official remake of the Korean film My Dear Desperado. It opened to positive reviews from critics and became a box office hit.