Watch Online Free on Watchseries. Ko Mark No Mark is a 2014 Sri Lankan Sinhala comedy film directed by Jayaprakash Siwgurunadan and produced by Soma Edirisinghe for EAP Films. It stars Vijaya Nandasiri in dual roles and Dilhani Ekanayake in lead roles along with Giriraj Kaushalya and Mihira Sirithilaka