Jack Ryan: President of the United States
Scott Adler: Secretary of state
Mary Pat Foley: Director of national intelligence
Robert Burgess: Secretary of defense
Jay Canfield: Director of the Central Intelligence Agency
Dan Murray: Attorney general
Andrew Zilko: Secretary of homeland security
Arnold Van Damm: President Ryan’s chief of staff
Stuart Collier: CIA operations officer
Benjamin Kincaid: U.S. Department of State consular official
Barbara Pineda: Analyst, Defense Intelligence Agency
Jennifer Kincaid: CIA operations officer
Thomas Russell: Assistant special agent in charge, FBI Chicago Division; director of Joint Terrorism Task Force
David Jeffcoat: Supervisory special agent, Federal Bureau of Investigation
Carrie Ann Davenport: Captain, United States Army; copilot/gunner of AH-64E Apache
Troy Oakley: Chief warrant officer 3, United States Army; pilot of AH-64E Apache
Scott Hagen: Commander, United States Navy; captain of USS James Greer (DDG-102)
Wendell Caldwell: General, United States Army; commanding officer of United States Central Command
Gerry Hendley: Director of The Campus and Hendley Associates
John Clark: Director of operations
Domingo “Ding” Chavez: Senior operations officer
Dominic “Dom” Caruso: Operations officer
Jack Ryan, Jr.: Operations officer / senior analyst
Gavin Biery: Director of information technology
Adara Sherman: Director of transportation
Helen Reid: Pilot of Campus Gulfstream G550
Chester “Country” Hicks: Copilot of Campus Gulfstream G550
Dr. Cathy Ryan: First Lady of the United States
Dr. Olivia “Sally” Ryan: Daughter of President Jack Ryan
Xozan Barzani: Kurdish Peshmerga commander
Sami bin Rashid: Security official, Gulf Cooperation Council
Abu Musa al-Matari: Yemeni national / Islamic State operative
Vadim Rechkov: Russian citizen in U.S. on a student visa
Dragomir Vasilescu: Director of Advanced Research Technological Designs (ARTD)
Alexandru Dalca: Researcher for ARTD; open-source investigations expert
Luca Gabor: Romanian prison inmate; identity intelligence expert
Bartosz Jankowski: Lieutenant colonel (Ret.) U.S. Army; call sign “Midas”; ex — Delta Force operator
Edward Laird: Former CIA executive; intelligence community contractor
“Algiers”: Algerian ISIS operative
“Tripoli”: Libyan ISIS operative
Rahim: Leader of ISIS cell “Chicago”
Omar: Leader of ISIS cell “Detroit”
Angela Watson: Leader of ISIS cell “Atlanta”
Kateb Albaf: Leader of ISIS cell “Santa Clara”
David Hembrick: Leader of ISIS cell “Fairfax”