Kadhalikka Neramillai

Arrogant, money-minded estate owner who lives at Chinnamalai Estate. He imposes his vision of marrying his daughters to the wealthy and maintains strict control over the family, setting the stage for the conflicts that unfold.

Viswanathan's son and an aspiring filmmaker who opposes his father's views. He starts Oho Productions and pursues his creative ambitions, facing doubt from those around him.

Viswanathan's elder daughter, in love with her college friend Vasu. She grapples with her father's plans and the evolving schemes surrounding marriage.

Viswanathan's younger daughter who falls for Ashok. She navigates familial pressure and moral conflict as the truth about their situation unfolds.

Assistant manager of the estate who pursues Nirmala despite class barriers. His love becomes tangled with the impersonation scheme that drives the plot.

Ashok's friend who disguises himself as a wealthy man named Chidambaram to facilitate the marriages and safeguard his own interests. He eventually reveals his true identity.

Vasu's father who arrives to observe the arrangements and becomes involved in the investigation of impersonation and the ensuing drama.