Sarath Babu (Telugu: శరత్ బాబు) is an Indian film actor, who has acted in almost all the major south Indian languages - Telugu, Tamil, Kannada and Malayalam. He has been in the industry for nearly 37 years and has acted in more than 200 movies, most of them in a supporting role. He has acted in 80 films each in Telugu and Tamil, 20 in Kannada and a few in Malayalam. He entered the film industry in 1973 through a Telugu movie and later became popular through the Tamil movie Nizhal Nijamagiradhu directed by K. Balachander. He is well known for his supporting roles to actors like Sivaji Ganesan, Kamal Haasan, Rajinikanth, Chiranjeevi and Nandamuri Balakrishna. He refers to K. Balachander as his mentor and has acted in some of his fims.