[1] His father, Don Martolis Wanaguru, was a renowned Sinhala physician born into a traditional medical family in Hokandara.
Dudley's mother Nanayakkara Pathirajage Rosalyn Perera, was from Kosgas Junction, Grandpass.
Lakshman 'Lucky' Wanaguru was an actor who acted in several films such as Vanarayo, Kokilayo and Segawunu Menika.
Manel Wanaguru a popular actress in Sri Lankan cinema, television and theater with a career spanning for more than six decades.
Some of his popular films include, Daiva Vipākaya (1956), Daskama (1959), Gæhænu Gæṭa, Hadisi Vivāhaya (1959), "Naḷangana (1960), Jeevita Pūjāva (1961) and Paṭāchārā (1964).
[8] Then he appeared in many supportive roles in the films, Samanala Kumariyō Samanga Api Kavadat Surayō (1971), Dāhakin Ekek (1973), Hāratha Hathara (1976), Magē Nangi Shyāmā (1975), Unnath Dāhayi Maḷat Dāhayi (1976), Hithuvot Hituvāmayi (1977), Chaṇḍi Shyāmā (1982) and Hellō Shyamā (1982).