The Big Boss

An immigrant Chinese worker who arrives with a pledge to never fight, bound by his mother's memory and a jade amulet. He is initially reluctant to engage in conflict, choosing to protect his family while adhering to his vow. When the drug operation endangers his loved ones, his resolve hardens into action and he fights through danger to seek justice, ultimately surrendering to the police.

The ruthless drug lord running the smuggling operation from a lavish mansion. He uses cunning, intimidation, and violence to preserve the venture and crush dissent. His downfall comes at the hands of Cheng after a brutal confrontation that exposes the operation to the world.

A resilient figure who supports Cheng and challenges the turmoil around him. She stands by him during the crisis and plays a crucial role in navigating the aftermath, even as danger closes in. Her presence anchors the human cost of the gang war on the workers and families involved.

Cheng's cousin who confronts the drug ring and refuses to be cowed by threats. His bold stance amplifies the danger surrounding the operation and leads to a tragic outcome in the ensuing conflict.

One of Cheng's cousins who is drawn into the operation but resists its deepest criminal aspects. He ultimately becomes a casualty of the violence that spirals from the drug ring's power, underscoring the human cost of involvement.

A prostitute who warns Cheng of the danger looming over him and reveals the drug trafficking operation. She pays with her life when Hsiao Chiun orders her murder, highlighting the vulnerable lives caught in the crossfire.

A brutal enforcer for the boss's faction, responsible for intimidation and killings to protect the operation. He murders Sun Wu Man during the power struggle and falls in a climactic duel with Cheng.

An operative within the operation who embodies the ordinary worker pulled into the criminal world. His presence underscores the systemic reach of the drug network and its impact on daily life in the factory.