Sundaram is Sundari’s father, who comes to Poongavanathamma’s house to take his daughter away. When Poongavanathamma refuses to let him enter, he seeks help from the town’s priest and school headmaster. He promises that Poongavanathamma will not be told about Sundari’s condition until the truth is eventually revealed.
Husband of Umayal and estranged relative of the main family. He seeks family reunification and later accepts a marriage proposal for his daughter to clear personal debts.
Shankar is a CID Inspector assigned to catch the murderer aboard the Neelagiri Express. After realizing that Ravanan is innocent of Sabapathy's murder, he begins investigating the case with Ravanan's help and eventually tracks down the murderer.
A CID officer deputed from Bombay to Madras to investigate the murder of another officer and a dangerous gang's crimes. Despite repeated attempts on his life and betrayals by his assistants, he follows the clues to the gang's explosives factory. With help from Thara, Kumar, and Ammukutty, he exposes the gang and survives the final confrontation.
A college student and Latha's lover, Bhaskar lives with his best friend Seenu. After winning Thangavel's urn, he and Seenu accidentally release Jee-Boom-Ba, who helps them prosper. Bhaskar's growing success and Jee-Boom-Ba's closeness cause trouble with Latha; later, Bhaskar and Latha are captured by Mani's gang, but Jee-Boom-Ba saves him and helps him defeat Mani. Bhaskar eventually marries Latha.
Satyamoorthy is one of the four powerful men who escape justice after the death of Raja and Appu's father. He becomes suspicious of Raja because of his resemblance to the dead police officer, and Appu ultimately tricks him into killing himself with a reversed circus handgun.
David is described as a wealthy widower and Dolly's older brother. The synopsis identifies him through his family relationship and status; it does not describe him taking part in Dolly's romance with Mohan or in the events surrounding her death and Shalini.
The Superintendent of Police leading the hostage rescue operation. He delays Karthik's execution, believes in his innocence, and forms an alliance with him to catch the escapees and the true murderer.
Natesan is Sumathi's uncle, a retired IG who warns Velan to stop teasing her. He investigates Velan's family background and later discovers that Sivamani has been using Sumathi's premises to print counterfeit bills. Sivamani kills him and frames Velan for the murder.
Muthulingam is a tourist who visits the widow in Ooty. He rapes and kills her, while her two sons witness the murder. Remembering his face, the older son Ramu grows up intent on revenge, and years later both Ramu and Arun join in seeking vengeance for their mother's death.
Murali is Selvam's brother and a member of the family living near the haunted house. He visits an isolated home to treat an old lady, but later realizes that she was a ghost. He then dies of a heart attack, deepening the family's mourning and influencing Selvam's arranged marriage to Annam.
A reformed thief who becomes a devout follower of the temple's spiritual history. He plays a crucial supportive role by encountering the imprisoned Muthu and pledging to clear his wrongful conviction, acting as a catalyst for the younger brother's eventual redemption and freedom.
Jaishankar has 164 screen credits in a career dating back to 1965. Signature works include Thai Veedu, Kannan Varuvaan, Kanni Theevu. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
