Harish started his career as a child actor He is the only male child actor to have worked in Hindi Telugu Tamil Kannada and Malayalam films He then played the lead in many films He has acted in a total of 280 films For the film Andhra Kesari he won the state award for the best child actor of the year 1983 from the Chief Minister Late N T Rama Rao He also received special jury award as the best actor in 1996 for the film Oho Naa Pellanta produced by DRamanaidu and directed by Jandhyala Harish acted as a lead at a young age of 15 His first film as a lead actor was Daisy a Malayalam film directed by Prathap K Pothan The movie also starred Kamal Hassan In Tamil he was introduced by T Rajendar as a lead in the film Pookal Vidum Thudel directed by Sridhar Rajan In Telugu he was introduced as a lead actor by producer D Ramanaidu in the film Prema Khaidi in 1990 with Malashree as the female lead As the film went on to be a success at the box office Ramanaidu decided to remake it in Hindi with Harish as the lead and introduced Karisma Kapoor as the female lead opposite Harish in the film Prem Qaidi in 1991 which did well at the box office