Chembaruthi

London-based grandson of a wealthy businesswoman who travels to India to visit his grandmother. He falls in love with Chembaruthi at first sight and pursues the relationship despite his grandmother's disapproval. His courage and determination drive the lovers' struggle and ultimate reunion.

Chembaruthi is the sister of Pandi and a poor fisherman's daughter who becomes Raja's love interest. She embodies resilience and warmth, navigating love amid family and class pressures. Her bond with Raja anchors the story's emotional core.

Chembaruthi's brother and a poor fisherman who works for Raja's grandmother's household. He feels humiliated by a false accusation about his sister and retaliates by insulting Raja's grandmother. He later witnesses the lovers' commitment and plays a part in the reconciliation.

A wealthy seafood exporter and Malathy's father who pursues a business-advantageous marriage for Raja. He and his goons abduct the lovers, showing the feud between money-driven motives and personal happiness.

A powerful, wealthy matriarch who wants Raja to marry Malathy to cement business ties. She attempts to control his romance but gradually realizes the strength of Raja and Chembaruthi's love and ultimately blesses their union.

Variant credit for the character's voice; Rohini provides the voice for Chembaruthi during key scenes, matching Roja Selvamani's on-screen portrayal. The voice reinforces the character's warmth and resolve as the romance unfolds.