Detective Conan: Black Iron Submarine

A brilliant young detective who threads the investigation across Frankfurt, Hachijo-jima, and the Pacific Buoy. He pieces together clues, coordinates with Dr. Agasa and Kogoro, and relies on sharp deduction to outmaneuver dangerous foes. His resolve drives the pursuit of the Black Organization and the protection of Haibara.

Former Shiho Miyano, now allied with Conan. Targeted by the Black Organization, she fights to stay safe and to help dismantle their plots. Her presence deepens the mystery around Shiho Miyano’s identity and the All-Age Recognition project.

A sophisticated Black Organization operative who orchestrates key manipulations from the shadows. She orchestrates the system flaw and manipulates footage to mislead investigators, adding psychological complexity to the confrontation.

A Black Organization operative who assists in tracking Haibara and coordinating operations. She demonstrates agility and a cool-headed approach, serving as a counterpoint to Conan’s team.

One of the Organization’s agents; associated with the Grace alias. Involved in kidnapping Naomi Argento and pursuing Haibara, her actions contribute to the film’s tension and ultimate confrontation; her fate intertwines with the submarine crisis.

A European Parliament member’s daughter central to the All-Age Recognition project. Her kidnapping heightens political stakes and presses for the system’s control. Her position amplifies the ethical and security dilemmas at the heart of the plot.

An engineer at the Pacific Buoy project who maintains the surveillance framework. He is murdered, and a confession hints at a backdoor vulnerability within the system, revealing internal corruption.

A mysterious figure who provides crucial intelligence about the Europol incident and guides Conan through the Interpol facility. His presence hints at deeper connections within the espionage world and serves as a strategic ally.

The detective father who anchors some on-site investigation at the resort, providing a contrast to Conan’s sharper deductions while supporting the team’s efforts.

Conan's ally and friend who accompanies the group to the island and adds emotional stakes to the investigation. Her presence helps ground the story in familiar personal ties.

A skilled operative whose actions provide decisive momentum against the Black Organization aboard the submerged pursuit. His interventions bring tactical precision to the confrontation with the Organization.

A key FBI ally whose intelligence supports cross-border cooperation against the Black Organization. Her involvement adds to the international scope and coordination of efforts.