Kannukkul Nilavu

A gifted musicologist whose head injury triggers amnesia and delusions. He fixates on Gayathri as his lover and seeks vengeance against three men, misremembering events due to memory loss. His arc moves from dangerous, distorted perceptions toward a therapeutic cure and reconciliation.

A local girl who is teased by three men; Gautham believes she is his lover after his collapse. In reality, she is alive and becomes central to resolving the mystery surrounding the supposed murder. Her survival challenges the initial assumptions about the crime.

A compassionate friend who cares for Gautham while he deteriorates. She develops affection for him and hopes to guide him toward recovery, balancing empathy with the danger of his unpredictable mood shifts.

A psychiatrist who diagnoses Gautham's condition and explains the risks of restoring his memories. He devises a plan to cure him and orchestrates the complex interaction that leads to the revelation of the truth.

One of the trio from Pondicherry who once tormented Gayathri; his past actions become part of the investigation as the truth emerges. He influences the events that push Gautham toward or away from certain actions.

Another member of the Pondicherry trio aligned with past misdeeds. His involvement contributes to the tension and misdirection surrounding Gayathri's fate and Gautham's quest for revenge.

One of the men implicated in the earlier assault on Gayathri; his actions set the events in motion and later become a focal point in the pursuit of the truth as Gautham confronts the past.