Maargan

A determined detective from Mumbai who travels to Chennai to unofficially lead the case. He carries the murder of his daughter Priya as a personal motivation, fueling relentless pursuit of the truth. Dhruv combines methodical police work with a willingness to share his past to gain an ally in Tamilarivu.

Ramya is a young woman whose murder drives the central investigation. Her relationship with photographer Karthik places her at the crossroads of personal and professional pressures, and her death becomes a catalyst that exposes others’ motives.

A swimmer with an eidetic memory who can recall events with almost photographic precision, especially underwater. His memory is a gift and a burden, drawing him into the investigation while risking his safety. He reveals crucial memories, including his sister Akhila’s disappearance, to help solve the case.

Vennila, real name Megha, is revealed as the killer, driven by a traumatic past and deep insecurity about her dark skin tone. She infiltrates Chennai’s film industry, manipulating relationships to pursue revenge. Her dual identity intensifies the film’s commentary on appearance and victimhood.

Sana is a producer’s daughter who replaces Vennila as the film’s lead, becoming a prime target for the killer. Her role embodies industry pressure and the fragility of safety in a competitive cinema environment.

Dr. Shalini is a cosmetologist involved in the beauty industry’s rituals, including skin-lightening treatments. Her murder ties into the broader critique of appearance and the costs of chasing beauty.

Ramya’s photographer boyfriend, who provides a link to the film’s production and the murder investigation, though his exact role is revealed through the investigation.

Inspector Shruthi assists in the investigation, using her position to monitor developments and support the team as the case unfolds.