Karan started his career as child actor under the name Master Raghu, working in more than 70 films in Malayalam and Tamil. In 1990, he made his Tamil debut as an adult in Annamalai
Featuring alongside Kamal, Karan makes his presence felt as a spoiled brat, who influences the other students in the college, by his tyrannical use of money and power, in Nammavar, his breakout film.
As Ajith's colleague, who wants to marry Devayani, but later steps back when he learns of her love, Karan is perfect as Siva in Agathiyan's Kadhal Kottai.
Karan is terrific as the hero's best friend and the brother of the girl, his best friend falls in love with, in Kannedhirey Thondrinal. This, arguably, is his most popular film, till date.
Karan plays the lead role of a guy who wants to go to Malaysia to try his fortune, but gets trapped in a gangster situation, in Prabhu Solomon's Kokki. The film fetched him quite some awards.
Karan portrays the sincere friend and well-wisher of Vijay's character in Love Today - a performance that elevates the film a notch higher.
Karan is seen as the loathsome rich guy, who gets things done with money, in Ajith's Kadhal Mannan. He nails the frustration of his fiance being snatched away from him by a mechanic in Saran's debut f
Karan is seen as a sarcastic, middle-aged filmmaker, who furthers the friction between the two talented music directors in Vasanth's Poovellam Kettupaar, starring Suriya and Jyotika.
Karan plays Kausalya's relative - the guy her family wants her to marry - in Sasi's Sollamale.
Karan plays the lead role of Sundaram, an educated guy, who finds himself in a web of treachery and deceit in Thambi Vettoti Sundaram.
As Varadhappan, the younger brother of the village landlord, who hates the concept of lovem Karan is convincing in the rural drama, Tirunelveli.
Karan's antagonistic role in Vijay-starrer Coimbatore Mappilai went viral last year, after a clip with the 'Shroov' background score was shared widely.
