Charlie Chan in Panama

A suave undercover operative for the British Secret Service, his sophistication masks a dangerous mission. He remains wary and calculating, guiding suspicion while pursuing Reiner. His death becomes a catalyst that sharpens Chan's investigation and reveals the high-stakes nature of espionage around the canal.

A matronly schoolteacher whose unassuming demeanor hides a sharper edge of involvement in the plot. She navigates a web of suspicion among the suspects and becomes entangled in the tomb sequence that tests her wits. Her actions contribute to the mounting tension as the investigation unfolds.

A sinister scientist whose exact intentions remain shadowy, his cool temperament hints at dangerous knowledge. He adds a layer of menace with possible weaponized ambitions, underscoring the era's fear of scientific misuse. His presence thickens the atmosphere of distrust around the canal's security.

A singer with a secret past and a dual identity, she flees Nazi-occupied Europe. Her arrival heightens nerves among the suspects, and she maneuvers through the scene while concealing crucial truths. Her trajectory adds complexity to the mystery as loyalties shift.

Café proprietor who operates as the spymaster behind the tomb hideout. Disguised as a water-delivery man, he helps plant nitro at the power plant. The graveyard chase reveals that the henchman is in fact Manolo, marking him as the mastermind behind the sabotage.

A government engineer suspected of involvement in the canal’s security operations. He embodies the tension between technical expertise and potential conspiracy, adding depth to the circle of suspects. His role underscores the theme of trust in critical national infrastructure.

A government agent who becomes entangled in the plot's deadly games. His death from a poison-laced cigarette marks a pivotal turning point and intensifies the hunt for Reiner. He embodies the precariousness of espionage where even allies may be compromised.

The legendary detective who keeps a weather eye on the suspects and unravels the mystery with methodical persistence. He outmaneuvers deception with careful observation, guiding the group toward the truth while protecting the fleet.

No. 2 son, quick to snap up clues and quick to spill some about his father’s identity. His energetic meddling and willingness to act on impulse add a brisk, humorous undercurrent to the investigation. He is discovered hiding in Compton’s hotel room, contributing to the pace of the chase.

A naval officer involved in safeguarding the fleet maneuvering through the canal. He coordinates with Chan and the authorities to ensure the canal remains secure during the climax. His presence anchors the military aspect of the mission.

The canal region’s political authority who oversees security measures. His leadership frames the larger stakes of protecting democracy against covert saboteurs. He serves as the formal face of legitimacy amidst the intrigue.