[4] Jaysiri was also a close friend of renowned director Dharmasena Pathiraja, at that time he used to play cameo roles in stage dramas.
He played roles in de Silva's popular stage dramas such as Dunna Dunugamuwa, Muthu Kumari and then in Pathiraja's Eya Dan Loku Lamyek.
[3] In 2005, Jayasiri translated the television script Sanda Mudunata which was originally written by director Samy Pavel in French.
[7] In 2018, he refused to attend the Kalabooshana state awards festival to protest the appointment of Mahinda Rajapaksa as prime minister.
[51] He contributed to several critically acclaimed films such as Seilama, Wisidela, Bawa Duka, Duwata Mawaka Misa, Sankranthi and Gamani.