Rasathanthram

A girl sold by her mother and forced into servitude, Kanmani endures ill-treatment while seeking dignity. To survive, she disguises herself as a boy named Velayuthan Kutty and works with Premachandran and Manikandan. Her love for Premachandran drives the plot and tests the boundaries of loyalty and safety.

A carpenter who shares a close bond with his father Balan Master and his friend Manikandan; he shelters Kanmani after rescuing her from danger. He is an ex-convict in a murder case, which fuels caution and tension in his relationships. He remains fiercely protective of family and Kanmani, ultimately pursuing marriage with her.

Premachandran's brother whose actions influence family dynamics; he creates tension by pressing for his own interests and opposing Premachandran. His interference contributes to the marital and household conflicts the characters must navigate.

A carpenter and father figure who supports Premachandran, cares for the family, and endures hardship. He acts as a stabilizing force until his death, demonstrating loyalty and resilience in the face of adversity.

Kanmani's would-be suitor and a manipulative relative who desires to marry her for himself, creating conflict and driving the plot toward a resolution with Premachandran.

The mother figure living with Kumari, she navigates concern for her daughter's future within a tense social environment, balancing affection with societal expectations.

Seethamma's daughter who harbors affection for Premachandran; her presence links family loyalty with romantic development and adds emotional stakes to the central romance.

Premachandran's friend turned business tycoon; though prominent, he remains aloof from the immediate needs of Premachandran, illustrating the gap between opportunity and action within a changing economy.

Premachandran's friend who works with him and acts as a catalyst for revealing Kanmani's true identity; his actions heighten tension and drive the plot toward its dramatic revelations.