Maanagara Kaaval

Gowtham is a senior police officer whose loyalty is doubted by Subhash. He is married to Seetha, Subhash's sister, linking personal and professional loyalties. He assists Subhash by sharing information about Metha's treachery, but his true allegiance remains ambiguous as he is later kidnapped along with others.

Roopavathi is the ambitious politician who becomes Prime Minister, triggering Metha's plots. She relies on Subhash for protection and uses his support to navigate party politics, though Metha's influence hinders any decisive action. Her position makes her a central target as conspiracies unfold.

Subhash is an honest IPS officer mourning his sister while falling for Vidya. He arrests unrest-promoting figures to earn Roopavathi's trust, faces suspension, and travels to Delhi to pursue Robin. He uncovers the mole and collaborates with Gowtham to expose Metha's treachery, ultimately battling to protect Roopavathi.

Vidya is a dancer who witnesses a murder and travels from Chennai to Delhi with Subhash. Her romance with Subhash adds a personal stake to the political thriller, while she supports the pursuit of the killers and stands by Subhash during upheaval.

Robin is the professional killer hired by Metha to assassinate Roopavathi. He orchestrates chaos in Chennai and Delhi with a gang, repeatedly evading capture until Subhash and his allies close in.

IG Jayaprakash is revealed to be the actual mole manipulating events from within the Delhi police. His actions escalate the crisis and he is killed along with other conspirators as the plot nears its end.

Seetha is Subhash's sister and Gowtham's wife. She provides crucial context about Gowtham's marriage and loyalties, and she becomes a target as the conspiracy tightens.

Vannai Varathan is a party MP who is drawn into Metha's scheme to incite unrest. He is implicated in the political treachery and faces the consequences as the truth emerges.