Nallavanukku Nallavan

A well-meaning rogue who reforms after changing his life. He protects Uma, marries her, and vows to live without violence, even surrendering to the police for past actions. Years later, he runs Victory Industries with a sense of responsibility toward others.

An orphaned woman who finds safety with Manickam and becomes his wife. She endures an abusive uncle and faces tragedy when she dies of cardiac arrest, leaving a lasting impact on Manickam and their daughter. Her arc highlights resilience in the face of hardship.

Gangadharan's spoiled son who resents Manickam and manipulates Priya, creating tension within the family. He embodies jealousy and a willingness to deceive for power, but faces consequences as relationships unravel.

Daughter of Gangadharan, she is lured and married to Vinod, causing emotional estrangement from Manickam and Uma. Her pregnancy with Vinod's child later adds tension and concern for the family's future.

Uma's abusive uncle who schemes to gain wealth, contributing to threats against the family. He is eventually defeated by Manickam, bringing the conflict to a head.

The police inspector who initially pursues Manickam for his past acts but ultimately upholds law and order as the story unfolds. He represents authority and accountability.

A friend of Azhagarsamy, he entrusts Manickam with the family’s wealth after his debts strain finances. His death becomes a turning point that intensifies the plot.

Manickam's loyal ally who helps restrain Sadhasivam and ensure justice prevails. His loyalty underscores the value of friendship in a crisis.