Shankar is a village-born singer who leaves for Madras to pursue fame, unaware that Gauri has arrived there to meet him. After finding her dead, he becomes an alcoholic recluse. Suriya draws him back into performing and sobriety, and he grows close to her, but refuses marriage because he remains devoted to Gauri.
Rajiv Menon is the team's former chief who is charged with treason and presumed dead after the 2008 train explosion. He survives, loses his family, and spends years pursuing revenge against Gandhi by abducting and manipulating Jeevan, turning Gandhi's own son against him.
Sahadevan is an unemployed youth who becomes a detective with Mahadevan to solve Kaveri's problem. He falls in love with Kaveri, whose maternal uncle wants to marry her, and works with Mahadevan to find where she is being held and help rescue her.
An aspiring singer who discovers a song lyric left by Radha, composes music for it, and gains fame with her anonymous support. He secretly loves her but hides his terminal blood cancer diagnosis to push her into marrying Mohan, ultimately dying of trauma after her suicide.
Mohan is a university student who becomes the focus of Dolly's love. While Dolly is abroad, his mother arranges his marriage to his cousin Bhuvana, and he marries her. When Dolly later confesses her feelings, he rejects her because Bhuvana is pregnant, setting off the tragedy that follows.
Mohan works as a manager at Pandurangam's wall clock company and falls in love with Padma, who lives in Pandurangam's house. Afraid that revealing his feelings could cost him his job, he seeks help through Prasad and later stages a story with Padma and others to change Nagalingam's mind and reunite the family.
A village girl's childhood friend and cousin, Subramani returns to the village to research folk songs for his college thesis. He loves Noorjahan, but after she dies in quicksand he refuses to marry, including Tulasi. When he realizes Tulasi truly loves him and sees her enter the quicksand, he rushes in and saves her.
A doctor who falls in love with Selvi and marries her, despite his parents demanding a large dowry from her family. He understands that his parents spend irresponsibly but lacks the courage to challenge them. After family conflicts, financial ruin, and losing his job, he recognizes Selvi's efforts to help the family; she pays for his urgent surgery, and they reunite.
Chandrakumar is Divya's arranged husband, a patient man who accepts her despite her reluctance and past love. He agrees to live separately within the marriage while awaiting divorce, yet slowly develops feelings for her. After realizing that Divya loves him, he prevents her from leaving and brings her back home.
Bhaskar is a still photographer and Chandru's friend. While photographing his lover, he captures Chandru's motorbike in the background without knowing it was connected to a murder. After reading about the crime, Bhaskar shows the photographs to Raghunath, providing a clue that helps the inspector investigate Chandru.
Arun is a singer imprisoned and sentenced to death for a murder he says he did not commit. He promises to raise money for an inmate's sick daughter through a final concert, marries Shanthi, and later learns that Leela is his long-lost mother. His death sentence is revoked after the truth about the murder is revealed.
An educated, successful sales manager, Murali reluctantly marries Arukkani because of her appearance and continues to resent her. After meeting Julie at an awards ceremony, he moves to Bangalore, marries her, and later brings Arukkani there under pressure from his father. His choices drive the central conflict between the two women.
Mohan has 107 screen credits in a career dating back to 1977. Signature works include Osai, Ashokavana, Idhaya Deepam. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
