After "Ran Kanda", Nandasiri was in demand, and starred in the plays "Kapuwa Kapothi", "Kakul Hathare Ilandariya", "Subha Saha Yasa", "Nariya Saha Keju Kella", "Ekadipathi", "Tharawo Egilethi", "Rookada Raajje", "Ran Kada", "Sellam Badu Nowei", "Kuweni" and "Hunuwataye Kathawa" among others. Over the next years he played the character of king Maname in Prof. Ediriweera Sarachchandra's Maname more than 1000 times, and appeared in "Singha Bhahu", "Mahasara" and "Ratnawalee". Nandasiri finally achieved fame in 1971 in the play "Ran Kanda". In all, he has done over 40 plays staged island-wide.