Kunal Khemu started his career as a child actor appearing in the television serial Gul Gulshan Gulfam in 1987.
Later on, he went on to appear as a child actor in films such as Hum Hain Rahi Pyaar Ke (1993) Raja Hindustani (1995) and Zakhm (1998). He received great praises by the audience and critics for his role in Zakhm.
He made his debut as a leading man in the 2005 film Kalyug which was both critically and commercially successful. His 2007 releases Traffic Signal and Dhol were moderately successful at the box office. His first 2008 release Superstar has not done well at the box office, but his acting was critically acclaimed.