Priyamaanavale

The sole breadwinner of her family who sacrifices her life to marry Vijay under his one-year condition, hoping to reform him. She is strong-willed, practical, and deeply loyal to her family, but her faith in Vijay is tested by his later demeanor and infidelity to the marriage.

A Westernised, carefree heir who initially treats marriage as a convenience and rejects Priya as his wife. His journey is one of self-discovery and eventual recognition of his responsibilities and the value of love.

A wealthy industrialist and Vijay's father who orchestrates the marriage arrangement to make his son more responsible. He supports his family and ultimately guides Vijay back to Priya.

Vijay's uncle and Sowmya's father, a hypocritical antagonist who embezzles from the business and plots against the couple. His actions trigger the crises that test Priya and Vijay's bond.

Priya's crude uncle who lusts after her and collaborates with Manohar to destabilize Vijay and Priya's marriage. He embodies the greed and deceit that the couple must overcome.

Vijay's friend and Priya's ally who supports the couple during the crisis. She is involved in share of the events that bring the family together.

Vijay's friend who participates in the plan to prank Priya into reuniting with Vijay, and helps orchestrate the larger reconciliation effort.

Priya's brother, unemployed, whose situation reflects the family pressures that Priya carries and the consequences of Vijay's transformation.

Vijay's driver who participates in the schemes and provides comic relief while also contributing to the story's progression.

A concerned matriarch whose family priorities frame the stakes of Priya's sacrifice and the couple's subsequent reconciliation.