Kalaga Thalaivan

A former financial analyst and close friend of Thiru who uses the alias Karthik to conceal his identity. He and Thiru once operated in international companies in Hong Kong and the US, sharing a complicated past. Though suspected as a whistleblower, Gandhi ultimately aligns with Thiru to reveal Vahjra's illicit activities.

A brilliant financial analyst and whistleblower who uncovers Vahjra's pollution cover-up. He and Gandhi were childhood friends who worked together in global firms, and he drives the investigation forward with a relentless pursuit of truth. His actions set off the chain of confrontations that topple the company's secrecy.

An ex-commando turned private investigator hired to find the whistleblower. He pursues leads ruthlessly, using violent methods and CCTV evidence to break the case. His pursuit reveals the identities of the key players and exposes the truth behind Vahjra's operations.

CEO of Vahjra Motors, orchestrator of the pollution cover-up, and operator of the global network that hides the true impact of the company's products. His cold, calculating demeanor drives the corporate conspiracy and ultimate downfall.

Thiru's guardian who becomes a target in the race to reveal the truth. Her support is vital but she ultimately succumbs to pressure, underscoring the personal costs of whistleblowing.

Thiru's ex-girlfriend who becomes a key connection in tracing the whistleblower. Her relationship with Thiru is entangled with the pursuit of justice as the investigation intensifies.

A close ally of Thiru and a key figure in the scheme with TVG; his friendship and loyalty become pivotal as the truth emerges about the company’s plots.

JP, the Chennai regional head suspected of being the whistleblower. He becomes a focal point and a catalyst for revelations as Arjun digs deeper.