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 D.Ramanaidu, 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 re-make 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.
2017
2012
as Suryaveer Singh
2011
as Sandeep
2007
2000
as Nakul (Arjun's brother)
1999
1998
as Abhyankar
1997
as Rahul
1997
as Bhaskar
1997
as Meena's prospective husband
1996
as Sub-Inspector Abhimanyu Verma
1996
as Kishan
1995
as Deepak
1995
as Harish Verma
1995
as Vijay Saxena
1995
as Sunny
1995
as Tarika
1995
as Ravi A. Saxena
1994
as Harish Ashok Kumar Mangatrao
1994
as Parshuram's brother
1994
as Hari
1993
as Sanjay Chauhan
1993
1992
as Narendra
1991
1988
as Pradeep Menon
1983
as Young Vijay Kumar Singh