Tower Block

Kurtis is a violent tenant who extorts protection money from his neighbors. He is one of the masked men who chase Jimmy, and his coercive behavior helps escalate the block's siege. His actions position him as a catalyst of the escalating danger inside the building.

Becky is an office worker who first comes to Jimmy’s aid but ends up battered and pulled into the danger. She proves resourceful and brave, helping other residents as the situation worsens. In the climax she uses a nail gun to subdue the killer, becoming one of the surviving threads of hope.

Paul is a lonely alcoholic who longs for connection and falls into the group’s attempt to escape. He volunteers to descend the roof to aid others, highlighting his desperation to belong. He is shot on the ground floor, demonstrating the human cost of resistance.

DC Devlin is the detective constable investigating the murders and the block’s siege. He embodies the relentless pressure of policing under strain and becomes the killer who punishes those who don’t assist authorities. His final reveal as the sniper exposes the corrosive effects of systemic neglect.

Jimmy is a frightened 15-year-old who dashes into Tower Block 31 seeking help as masked men close in. His murder triggers the investigation and sets off the chain of violent events that follow. He represents the vulnerability of youth caught in a hostile environment.

Daniel is a computer-savvy teenager who uses knowledge from video games to read the sniper’s patterns. He and his mother Carol are among the residents who attempt to escape, but the sniper ultimately kills them. His death underscores the indiscriminate reach of the siege.