His father Yasapalitha Nanayakkara was a popular director in Sri Lankan cinema and stage drama as well as a screenwriter, producer, lyricist and actor.[6] His mother Manoshi Perera was a housewife. Harshana has four uncles - Vasudeva, Padmakumara, Hemakumara, Asanga and four aunties - Swarna Sakunthala, Ranjani, Lanka and Nilmini. Harshana's two uncles: Vasudeva Nanayakkara is a former minister and a member of the parliament,[7] and Hemakumara Nanayakkara is a former minister and governor of Western Province.[8]
His uncle Somasiri Alakolanga, who is married to Harshana's mother's younger sister is also an actor.[9] His elder brother, Rajeewa is also an actor, screenplay writer, and assistant director.[10]
.png){kind=small}