On completion of his graduation, Narasimhan worked for the Life Insurance Corporation of India (LIC) for some time before re-entering the Tamil movie industry with "Gauri Kalyanam." He got the support of legendary actor Suruli Rajan, director Visu, during his early part of his career. Since then, Narasimhan acted in over 1,500 films in 14 languages, including an English film ‘Indian Summer’ for which he went to the U.S. His last film was "Thalainagaram," in which Sunder C plays the hero. He was ailing for sometime. He played a vital role in guiding the famous director Shankar in his early stage who he met during their stint in Thillairajan's drama troupe. He got his Omakuchi name from a character he played in the same troupe.
