Jack Ryan is the Acting Deputy Director (Intelligence) for the CIA, stepping in for his ailing mentor James Greer. A former Marine and historian, Ryan possesses a strong analytical mind and a firm belief in objective right and wrong. He notices the escalating secretive actions within his agency and seeks to understand the hidden military operations occurring in Colombia.

John Clark is a seasoned CIA covert operations specialist and former Navy SEAL. He excels in field operations, undercover reconnaissance, and paramilitary missions. He travels to Colombia to gather intelligence on the drug cartels, bringing tactical expertise that contrasts with the analytical skills of his Washington-based colleagues.

Domingo Chavez is a 26-year-old Latino Army Light Infantry fighter and Ranger School graduate. Recruited for a highly classified military action known as operation SHOWBOAT, he deploys to the Colombian mountains. He relies on his tactical instincts and intense loyalty to his fellow soldiers to survive dangerous assignments.

Felix Cortez is a former Cuban intelligence officer now working for the Colombian drug cartel. He serves as an intelligence chief and advisor to cartel leadership. Ambitious and highly trained in espionage, he actively searches for weaknesses in both his American adversaries and his own organization.

Robert Ritter is the CIA Deputy Director (Operations). He oversees the covert military actions in Colombia alongside the National Security Advisor. He views human assets and collateral damage as acceptable costs of conducting international espionage and actively conceals his actions from other intelligence branches.

James Cutter is the National Security Advisor to the President. He orchestrates the secret military interventions in Colombia to secure public approval for the current administration. Lacking field experience, he makes sweeping decisions from Washington that place military operators in significant danger.

Ernesto Escobedo is a powerful leader within the Colombian drug cartel. He operates from a position of massive wealth and regional control but desires greater social acceptance. He orders violent retaliation against anyone who interferes with his smuggling and money-laundering operations.

The unnamed President of the United States operates under the codename Wrangler. Facing a difficult reelection campaign, he demands visible progress in the war on drugs. He authorizes questionable covert operations to boost his approval ratings while maintaining plausible deniability.

Moira Wolfe is the executive assistant to the FBI Director. A widow carrying intense grief, she manages the daily schedule and highly sensitive travel information for her boss. She seeks personal connection to ease her loneliness, inadvertently making her vulnerable to outside manipulation.

Captain Red Wegener commands the Coast Guard cutter Panache. A veteran sailor known as the King of Search and Rescue, he regularly intercepts drug smugglers in the Caribbean. Frustrated by the violence of the drug trade, he resorts to extreme, unauthorized methods to force confessions from suspected murderers.

Robert Jackson is a Navy Lieutenant stationed at the Pentagon. An old friend of Jack Ryan, he closely monitors unusual military deployments that suggest unacknowledged American operations in South America.

James Greer is the CIA Deputy Director (Intelligence). He receives treatment for cancer, forcing him to step away from his daily duties. As a mentor, he provides vital guidance to younger intelligence officers trying to navigate agency politics.

Emil Jacobs is the Director of the FBI. He prefers legal, financial methods of fighting the cartels, such as freezing laundered bank assets across Europe. He travels to Colombia to coordinate law enforcement efforts with local officials.

Daniel Murray is an FBI Deputy Assistant Director. He investigates the aggressive actions of the Coast Guard while also tracking the financial crimes of the drug cartel. He collaborates with other intelligence branches to uncover domestic corruption.

Carlos Larson is a Danish-Venezuelan pilot working as an undercover CIA asset in Colombia. He provides safe transport, secure housing, and regional intelligence to American operatives arriving in the country.

Paul Johns is an Air Force Colonel and helicopter retrieval expert. He operates out of secret bases to provide extraction and transport for American forces deployed in hostile territory.

Buck Zimmer is a helicopter co-pilot and long-time friend of Paul Johns. He assists with dangerous extractions of military personnel in challenging environments.

Tim Jackson is an Army Lieutenant stationed in California. He attempts to track down missing soldiers from his former unit who have vanished into secret operations without a clear paper trail.

Ramirez is the captain of the covert SHOWBOAT unit. He leads a team of Latino soldiers on surveillance and sabotage missions in the Colombian mountains.

Jeff Winters is a fighter pilot known by the callsign Bronco. He flies interception missions targeting drug transport planes attempting to enter American airspace.

Mark Bright is an FBI agent based in Mobile, Alabama. He investigates a vast money-laundering scheme tied to a luxury yacht and uncovers links to local police corruption.

Bill Shaw is the FBI Executive Assistant Director for Investigations. He works closely with other federal agents to piece together intelligence leaks and coordinate domestic law enforcement responses.

Arthur Moore is the Director of the CIA. He handles internal inquiries into the agency's unacknowledged activities and manages the growing friction between his operations and intelligence directorates.

Edward Stuart is a defense attorney representing two men accused of piracy and murder in the Caribbean. He seeks to expose the illegal interrogation methods used by the Coast Guard to secure a plea deal for his clients.

Jesús Castillo is a man found aboard a stolen luxury yacht called the Empire Builder. He faces interrogation and legal charges for his suspected role in a cartel-ordered murder at sea.

Ramón Capati is a suspected cartel operative captured aboard the Empire Builder yacht. He endures extreme interrogation tactics at sea and faces severe legal penalties in the United States.

Julio Vega is a soldier recruited into operation SHOWBOAT alongside his close friend. He deploys to the mountains of Colombia to participate in covert surveillance and sabotage operations under the military's strict command structure.

Robert Fowler is a state governor and the leading candidate for the upcoming presidential nomination. He publicly criticizes the current administration regarding its lack of progress in the war on drugs, forcing his political opponents to act aggressively.

Manuel Oreza is the quartermaster serving aboard the Coast Guard cutter Panache. He assists his commanding officer in securing a luxury yacht that was hijacked in the Caribbean and manages the resulting prisoners.