Venom

An international criminal mastermind who orchestrates the kidnapping. He remains cool under pressure, manipulating others to achieve his goal while maintaining control of the situation. His plans hinge on leverage, deception, and evading capture, even as the stakes escalate toward violence and a deadly confrontation.

Müller's accomplice who goes undercover as a maid to get close to the family. She uses seduction to influence Dave Averconnelly and push the kidnapping forward. Her role is pivotal in enabling the plan, and her presence intensifies the moral ambiguity of the crime.

The kidnapped boy, grandson of Howard Anderson. His involvement is largely as a target of the criminals, but his presence drives the urgency of the hostage crisis. He witnesses events around the home and is a symbol of vulnerable life amid calculated crime.

Wealthy hotel magnate and Philip's grandfather. A former hunter, he becomes a key hostage whose leverage is used by Müller. He fights to protect his family and navigate the siege, revealing his resilience under pressure.

A clinical toxicologist who brings anti-venom to the crisis and informs law enforcement about the mamba. She is eventually drawn into the danger when she is taken hostage, becoming a crucial link between the police response and the medical threat.

Philip's mother, central to the family dynamics and a focal point of the kidnapping's impact. She represents the protective parent while facing the manipulation of the criminals. Her presence underscores the personal cost of the heist.

Howard's chauffeur who is drawn into the kidnapping plot through Louise's manipulation. He becomes a crucial participant in the heist and its dangerous escalation. His actions ultimately contribute to the tense climax, culminating in a fatal encounter with the mamba.

The police commander leading the siege and negotiating with Müller. He balances skepticism with determination, coordinating the response and seeking to protect the hostages while uncovering the truth behind the deceit. His decisions shape the crisis's progression and resolution.