 Kumarasinghe, who is often cast in controversial roles, has also performed the foreign films Pakistani, Hindi, Japanese, Tamil and French productions.She acted opposite Sivaji Ganesan in Mohana Punnagai which was released on 1981.She received critical acclaim in roles such as 'Dulcie' in "Pembara Madhu", 'Dotty' in "Palama Yata", 'Punna' in "Lokuduwa" and 'Amali' in "Ran Diya Dahara".