1: Nenokkadine

A brilliant yet troubled rock musician with schizophrenia and memory gaps. He fixates on a mysterious figure he believes is one of the three murderers of his parents, and as a child he clung to the idea that he was an orphan with no memory of his parents' names. The pursuit of the fourth real person drives his actions across continents.

A journalist who films Gautham's confrontation and becomes entangled in a complicated hunt for truth. Her professional curiosity may mask personal motives, and her carelessness with information threatens or reveals his safety depending on how the truth is handled.

A Goa-based crime boss linked to the deaths of Gautham's parents. He seeks to silence Sameera to protect his seed-smuggling and toxin schemes, making him a central antagonist whose influence spans international borders.

A street-smart taxi driver who becomes an ally to Gautham and Sameera, assisting them in evading pursuers and navigating the criminal labyrinth.

A persistent police inspector who pursues Gautham, embodying the law's pressure and the moral tension between justice and perceived threat.

An aging taxi driver who has stalked Gautham and becomes entangled in the murder plot. He later helps the trio with crucial information and connections to the case.

The taxi driver's son who accompanies the group in London, serving as a youthful ally and reminder of family ties in the wider mystery.

A psychiatrist who explains that Gautham could progress by conjuring a fourth real person, underscoring the film's focus on mental health and therapy.

A mother figure from Gautham's past; a photo of her appears near the film's end, symbolizing the emotional anchor of memory and family.

A scientist who collaborates with Chandrashekhar and is tied to the Golden Rice project, adding a scientific dimension to the conspiracy.

A detective inspector involved in the London portion of the investigation, providing cross-border investigative perspective.