Polladhavan

A young woman traveling to become a nanny who witnesses a murder on a train. Her courage is tested as Manohar's threats trap her within his estate, forcing a constant choice between truth and safety. She forms a protective bond with Shoba and becomes a reluctant catalyst for unveiling the truth.

A wealthy estate owner who glides between a caring fatherly image and a ruthless pursuit of revenge. His actions reveal a complex morality: he protects his family while suppressing truth through fear. His confession ultimately redeems Seetha, at the cost of his own freedom.

Manohar's wife whose death after an assault becomes the catalyst for his pursuit of revenge. Her memory drives the plot's emotional stakes and explains Manohar's protective obsession with Shoba. She embodies love and tragedy within the couple's history.

Kumudha's uncle and antagonist who triggers the violent chain that ends with his own death on the train. His actions set Manohar's vow for revenge in motion, making him the spark that ignites the film's tension.

Manohar's daughter, the child who draws Seetha into a protective bond and becomes a focal point for family loyalty. Her presence motivates the protective dynamics within the estate and shapes Seetha's choices.

The police inspector whose investigation encounters fear, misdirection, and suspicion of Seetha. He represents the law's attempt to uncover the truth, though his colleague's doubts suggest that justice may be compromised by perception and pressure.

Seetha's nephew whose safety becomes a leverage point in Seetha's struggle with Manohar. His presence heightens the stakes around escaping and reporting the crime.