Hrithik Roshan’s actual surname is Nagrath. His father, Rakesh Roshan, took up his father, Roshanlal Nagrath’s, initial name as his surname. Roshan has frequently collaborated with his father. He made brief appearances as a child actor in several films throughout the 1980s, and later worked as an assistant director on four of his father's films. His first leading role was in the box-office success Kaho Naa Pyaar Hai (2000).