Shivakumar, known by his stage name Sathish Ninasam, is an Indian actor who appears in Kannada films. Having made his film debut with Madesha (2008), Sathish appeared in small but significant roles in films like Manasaare, Pancharangi, Lifeu Ishtene and Drama.

He shot to fame after his performance in the 2013 film Lucia received critical acclaim. Career Shivakumar started his career as a theatre actor in Ninasam, a cultural organisation based in Heggodu in the Shimoga district of Karnataka. After a stint in television for a year, he started his career in films in 2008 with a small role in Madesha.