Zaq is a renowned journalist known for his unique human-interest stories. Though at the end of his career, he agrees to join the search for Isabel Floode. He becomes a mentor to Rufus, who begins to notice Zaq's flaws as their journey unfolds.

Tamuno is an elderly guide helping Rufus and Zaq navigate the Niger Delta. He is deeply concerned for his son Michael's future, wishing for him to have more opportunities in the city of Port Harcourt.

Chief Ibiram is the chief of a village providing hospitality to Rufus and Zaq. He plans to lead his people to a safer location unaffected by violence, though their fate remains uncertain.

Boma, Rufus's sister, suffered severe facial scarring in an oil fire and was abandoned by her husband. Rufus feels protective and guilty regarding her situation. She finds solace in a shrine community, seeking peace.

James Floode is a wealthy oil executive from the UK and Isabel's estranged husband. Although he desires a quick resolution to Isabel's kidnapping, his exploitative attitudes contribute to the local conflict.

Isabel Floode is the kidnapped woman whose situation draws Rufus and Zaq to the Niger Delta. She attempted to save her failing marriage by traveling to Nigeria, where she became entangled in a more dangerous situation than initially planned.

Salomon is Isabel Floode's driver and confidant in Nigeria. He helps orchestrate a fake kidnapping with Isabel, but the plan spirals into a real danger, leading him to try to protect her when matters escalate.

Naman is an assistant to the head priest of a shrine, seemingly involved with militants. He collaborates with the Professor, showing Rufus and Zaq a fake grave to deceive them during their investigation.

Gloria is a nurse who assists at the shrine and befriends Rufus. Despite being engaged, she has an affair with Rufus and helps answer his journalistic questions due to her connections.

The Major is a military figure tasked with protecting the oil industry. He is brutal and merciless, using terror to combat the militants and acting as a governmental force parallel to the militancy led by the Professor.

The Professor is a leader among the militants, with a reputation for ruthlessness. He aims for control over the oil territory, presenting himself as different from other criminals, while maintaining a fearsome position of power.