Ace kollywood actor Arya will appear in a cameo role in the flick 'Oru Kal oru Kannadi' which will have ace producer Udhayanidhi Stalin and Hansika Motwani in lead roles. Cameo roles have become a standard practice in all Udhayanidhi movies.

Sivamanasulla Sakthi had Jeeva doning a cameo role that won great appreciation. Sources say that Arya Udhayanidhi cobo is a sure hit formula and they do not want to do without it in OKOK. The details of the cameo role was however not revealed by the team.