Oppam

A blind lift operator and caretaker who relies on heightened senses and kalari discipline to navigate a crowded building. He is fiercely loyal to Krishnamoorthy and forms a protective bond with Nandini, acting as a surrogate father. His resourcefulness and steadfastness push him to confront danger head-on to shield the innocent.

An aging, retired judge whose past decision-set the film's perilous events in motion. He is principled and protective of his family, yet his choices haunt him as Vasudevan's threat grows. He tries to shield Nandini while maintaining a sense of duty and legal duty to justice.

A man hardened by a wrongful imprisonment and driven by revenge against Krishnamoorthy. His actions cast a long shadow over the building and put Nandini in danger. He embodies a personal, relentless vendetta that presses every character toward a fateful confrontation.

A capable and pragmatic police officer who becomes an ally to Jayaraman. She navigates danger with steady resolve and helps safeguard Nandini. Her alliance with Jayaraman adds a professional layer to the personal fight for truth.

Krishnamoorthy's daughter who is sent to a convent school for protection. She longs for stories about her father while navigating a fragile world surrounded by adults who hide dangerous truths. Her bond with Jayaraman becomes the heart of the film's emotional arc.

A divorcee maid in the building who notices irregularities and becomes a crucial witness. Her observations help push the investigation forward, and she shows resilience in the face of danger. She serves as a moral compass, highlighting the stakes of the missing money tale.

Devayani's brother who becomes a suspect factor in the missing money. His involvement ties family ties to the escalating tension and complicates the pursuit of the truth. He embodies the local tensions and potential danger present within the building.