[10] De Silva came to the silver screen through Sujage Rahasa directed by P. Neelakantan, a famous South Indian director who accompanied MGR as well.
[12] De Silva's acting career mostly came under directors like Joe Dev Anand, Danny Mariyadasan, M S Anandan, K Venkat, Kingsley Rajapakse, Robin Tampoe, Lenin Morayes, and Cyril P. Abeyratne.
[13] Apart from direction and acting, De Silva also performed as a playback singer on a few occasions, such as in the films Tom Pachaya and Minisun Athara Minisek.
[14][deprecated source] On 30 June 2018, De Silva died while being treated for a heart attack at Sri Jayawardenepura General Hospital.
[16][17] On 5 July 2020, de Silva's wife Sumana Amarasinghe organized an alms giving at an old house in Colombo in two year commemoration of his death.