Sampath Kumar, known by his stage name Vishnuvardhan, was an Indian actor who worked predominantly in Kannada cinema besides also having sporadically appeared in Tamil, Hindi, Telugu and Malayalam language films. Vishnuvardhan has a prolific career spanning over four decades, during which he has acted in more than 220 films. A popular cultural icon of Karnataka, and holds the status of a matinée idol among the Kannada diaspora. He is popularly called as Sahasa Simha, Dada and The Angry Young Man of Kannada Cinema. Vishnuvardhan's contributions to Kannada cinema have been praised by his contemporaries in the Indian film industry. The Government of Karnataka honoured him with the Rajyothsava Prashasthi in 1990 and the Dr. Rajkumar Lifetime Achievement Award in 2007 for his contributions to Kannada cinema. He was called The Phoenix of Indian Cinema. In 2008, a poll conducted by CNN-IBN listed Vishnuvardhan as the most popular star in the Kannada film industry.
Vishnuvardhan made his acting and onscreen debut at age 21 in B. V. Karanth and Girish Karnad's Vamsha Vriksha in 1971. In 1972, he attained stardom after starring in Puttanna Kanagal's Naagarahaavu.