Early life:
Karthik studied in the Famous St. Bede's School in Chennai then at New College, Chennai and got a Bachelors Degree in Arts.

Film career
Karthik was first introduced by Bharathiraja in the film Alaigal Oivathillai.He has acted in Tamil and Telugu films. He has received the Best NewFace Award from the Tamil Nadu Government in 1980, the KalaimamaniAward and the Nandi Award for Abhinandana.
        He has received the best actor for three consecutive times byTamilnadu government. He is popular with the audience for sense ofhumor and was involved with several small comedy scenes in most of hismovies. His cameo in Mouna Ragam was very well received by the audience. During his later years, he formed a partnership with Goundamani in doing comedy scenes.His pairing with Rambha was a hit with audience as the pair provided good hits in the nineties.
            Karthik entered politics ahead of the 2006 Tamil Nadu Legislative Assembly election. He joined the All India Forward Bloc,and was appointed as the Secretary of the Tamil Nadu state unit of theparty. He led the party during its electoral campaign On September 24,2006

    Villain (2010) Supporting Cast
    Dost (2004) Supporting Cast
    Gopalrao Gari Ammai (1989) Actor
    Abhinandana (1988) Actor
    Gharshana (1988) Actor
    Punyastri (1986) Actor
    Mouna Ragam (1986) Actor
    Anveshana (1985) Actor
    Seeta Kokachiluka (1981) Actor


Personal life
He is married to actress Ragini, heroine of Solai Kuyil.He then married Ragini's younger sister and living with her too. Hisson is also planning to be launched as hero in Tamil movies.