| Madeleine Albright | Secretary of State, 1997-2001 |
| Charles Allen | Assistant Director of Central Intelligence for Collection, 1998- |
| Richard Armitage | Deputy Secretary of State, 2001- |
| Larry Arnold | Commander, First Air Force and Commander of the Continental U.S. North American Aero space Defense Command (NORAD) Region, 1997-2002 |
| John Ashcroft | Attorney General, 2001- |
| Monte Belger | Acting Deputy Administrator, Federal Aviation Administration 1997-2002 |
| Samuel "Sandy" Berger | National Security Advisor, 1997-2001; Deputy National Security Advisor 1993-1997 |
| J. Cofer Black | Director, DCI Counterterrorist Center, 1999-2002 |
| Joshua Bolten | White House Deputy Chief of Staff, 2001-2003 |
| Robert "Bear" Bryant | Deputy Director, Federal Bureau of Investigation, 1997-1999 |
| George H.W. Bush | 41st President of the United States, 1989-1993; Vice President, 1981-1989 |
| George W. Bush | 43rd President of the United States, 2001- |
| Andrew Card, Jr. | White House Chief of Staff, 2001- |
| Richard B. Cheney | Vice President of the United States, 2001- |
| Richard Clarke | National Counterterrorism Coordinator, NSC, 1997-2001 |
| William J. Clinton | 42nd President of the United States, 1993-2001 |
| William Cohen | Secretary of Defense, 1997-2001 |
| Roger Cressey | NSC counterterrorism official, 1999-2001 |
| Ralph Eberhart | Commander in Chief, NORAD and U.S. Space Command, 2000- |
| Tommy Franks | Commander, U.S. Central Command (CENTCOM), 2001-2003 |
| Louis Freeh | Director, Federal Bureau of Investigation, 1993-2001 |
| Scott Fry | Director of Operations for the Joint Chiefs of Staff, 1998-2000 |
| Jane Garvey | Administrator, Federal Aviation Administration, 1997-2002 |
| Newt Gingrich | Speaker of the House, 1995-1999 |
| Rudolph Giuliani | Mayor, City of New York, 1994-2001 |
| John Gordon | Deputy Director of Central Intelligence, 1997-2000 |
| Al Gore, Jr. | Vice President of the United States,1993-2001 |
| Scott Gration | Fry's Chief Information Operations Officer, 2000-2001 |
| Stephen Hadley | Deputy National Security Advisor, 2001- |
| Dennis Hastert | Speaker of the House, 1999- |
| Karl Inderfurth | Assistant Secretary of State for South Asia, 1997-2001 |
| Donald Kerrick | Deputy National Security Advisor, 2000-2001 |
| Zalmay Khalilzad | NSC Senior Director for Near East and South Asia and Special Envoy to Afghanistan, 2001-2003 |
| Anthony Lake | National Security Advisor, 1993-1997 |
| Trent Lott | Senate Majority Leader, 1996-2001 |
| Mary McCarthy | NSC senior director for intelligence, 1998-2001 |
| John McLaughlin | Deputy Director of Central Intelligence, 2000-2004 |
| William Milam | U.S. Ambassador to Pakistan, 1998-2001 |
| Norman Mineta | Secretary of Transportation, 2001- |
| Robert Mueller | Director, Federal Bureau of Investigation, 2001- |
| Richard Myers | Chairman of the Joint Chiefs, September 2001- ; Joint Chiefs Vice Chairman, 2000-2001 |
| John O'Neill | FBI Special Agent in Charge for National Security, New York Field Office, 1997-2001; Chief of Security of the World Trade Center, killed on 9/11 |
| Paul O'Neill | Secretary of the Treasury, 2001-2002 |
| James Pavitt | Deputy Director of Operations, CIA, 1999-2004 |
| Thomas Pickard | Acting Director, Federal Bureau of Investigation, June 25, 2001-September 4, 2001 |
| Thomas Pickering | Under Secretary of State, 1997-2000 |
| Colin Powell | Secretary of State, 2001- |
| Ronald Reagan | 40th President of the United States, 1981-1989 |
| Janet Reno | Attorney General, 1993-2001 |
| Condoleezza Rice | National Security Advisor, 2001- |
| Bill Richardson | Ambassador to the United Nations, 1997-1998 |
| Thomas Ridge | First Secretary of Homeland Security, 2003- ; Homeland Security Advisor, 2001-2003 |
| Bruce Riedel | Senior Director for Near East and South Asia, NSC, 1997-2001 |
| Christina Rocca | Assistant Secretary of State for South Asia, 2001- |
| Michael Rolince | FBI Section Chief, International Terrorism Operations Section, 1998-2002 |
| Donald Rumsfeld | Secretary of Defense, 2001- |
| Peter Schoomaker | Commander, Special Operations Command, 1997-2000 |
| Gary Schroen | CIA Station Chief, Islamabad, 1996-1999 |
| Michael Sheehan | Counterterrorism Coordinator, U.S. Department of State, 1998-2000 |
| Hugh Shelton | Chairman of the Joint Chiefs of Staff, 1997-2001 |
| Walter Slocombe | Under Secretary of Defense for Policy, 1994-2001 |
| James Steinberg | Deputy National Security Advisor, 1996-2000 |
| Strobe Talbott | Deputy Secretary of State, 1994-2001 |
| George Tenet | Director of Central Intelligence, 1997-2004 |
| Larry Thompson | Deputy Attorney General, 2001-2003 |
| Dale Watson | Executive Assistant Director for Counterterrorism and Counterintelligence, FBI, 2001-2002 |
| Paul Wolfowitz | Deputy Secretary of Defense, 2001- |
| Anthony Zinni | Commander, U.S. Central Command (CENTCOM), 1997-2000 |
| Abdullah bin Abdul Aziz | Crown Prince and de facto regent of Saudi Arabia, 1995- |
| Mohdar Abdullah | Yemeni; student in San Diego who assisted two 9/11 hijackers |
| Sayf al Adl | Egyptian; high-ranking member of al Qaeda military committee |
| Mahmud Ahmed | Director General of Pakistan's Inter-Services Intelligence Directorate, 1999-2001 |
| Mohammed Farrah Aidid | Somali warlord who challenged U.S. presence in Somalia in the early 1990s (deceased) |
| Ali Abdul Aziz Ali | a.k.a. Ammar al Baluchi) Pakistani; KSM's nephew; financial and travel facilitator for 9/11 plot |
| Ahmad Khalil Ibrahim Samir al Ani | Iraqi intelligence officer who allegedly met with Atta in Prague, Czech Republic; currently in U.S. custody |
| Mohamed Atta | Egyptian; tactical leader of 9/11 plot; pilot/hijacker (AA 11) (deceased) |
| Mohammed Atef | (a.k.a. Abu Hafs al Masri) Egyptian; al Qaeda military commander (deceased) |
| Tawfiq bin Attash | (a.k.a. Khallad, Waleed bin Attash) Yemeni; senior al Qaeda operative connected to the U.S. embassy bombings, the USS Cole attack, and the 9/11 attacks; currently in U.S. custody |
| Anwar Aulaqi | U.S. citizen; Imam at Rabat mosque (San Diego, CA) and later at Dar al Hijra mosque (Falls Church,VA), who associated with two 9/11 hijackers |
| Abdullah Azzam | Palestinian; founder of the Maktab al Khidmat, which provided logistical support to mujahideen in Afghanistan (deceased) |
| Jamal al Badawi | Yemeni; co-conspirator arrested in Yemen for the USS Cole attack |
| Said Bahaji | German son of Moroccan immigrant; Hamburg cell associate |
| Saeed al Baluchi | Saudi; candidate 9/11 hijacker |
| Fayez Banihammad | Emirati; 9/11 hijacker (UA 175) (deceased) |
| Abu Ubaidah al Banshiri | Egyptian; al Qaeda military commander until 1996 (deceased) |
| Abu Bara al Yemeni | (a.k.a. Abu al Bara al Ta'izi, Suhail Shurabi, and Barakat) Yemeni; potential suicide bomber in original 9/11 plot |
| Ramzi Binalshibh | Yemeni; Hamburg cell member; coordinator for 9/11 plot; currently in U.S. custody |
| Omar Hassan Ahmed al Bashir | President of Sudan, 1989- |
| Abu Bakar Bashir | Indonesian; spiritual leader and founder of Jemaah Islamiya, al Qaeda-affiliated terrorist group in Southeast Asia |
| Omar al Bayoumi | Saudi; assisted two 9/11 hijackers in San Diego, CA |
| Khalil Deek | U.S. citizen; created electronic version of Encyclopedia of Jihad; believed to be involved in millennium plot to destroy tourist landmarks in Jordan |
| Caysan Bin Don | (a.k.a Isamu Dyson, a.k.a Clayton Morgan) U.S. citizen; met two 9/11 hijackers in Los Angeles and San Diego, CA |
| Zakariya Essabar | Moroccan; Hamburg cell associate |
| Jamal Ahmed Mohamed al Fadl | Sudanese; al Qaeda member who defected to the United States in 1996 |
| Ahmed al Ghamdi | Saudi; 9/11 hijacker (UA 175) (deceased) |
| Ali Abd al Rahman al Faqasi al Ghamdi | (a.k.a. Abu Bakr al Azdi) Saudi; candidate 9/11 hijacker; currently in U.S. custody |
| Hamza al Ghamdi | Saudi; 9/11 hijacker (UA 175) (deceased) |
| Saeed al Ghamdi | Saudi; 9/11 hijacker (UA 93) (deceased) |
| Saeed ("Jihad") al Ghamdi | Saudi; candidate 9/11 hijacker |
| Hassan Ghul | Pakistani; al Qaeda facilitator; currently in U.S. custody |
| Abu Hafs al Masri | see Mohammed Atef |
| Abu Hafs al Mauritani | Mauritanian; senior al Qaeda theologian |
| Wadi al Hage | U.S. citizen; al Qaeda operative; Bin Ladin's personal assistant; convicted in embassy bombings trial |
| Mushabib al Hamlan | Saudi; candidate 9/11 hijacker |
| Hani Hanjour | Saudi; 9/11 pilot/hijacker (AA 77) (deceased) |
| Mustafa al Hawsawi | Saudi; al Qaeda media committee member; financial and travel facilitator for 9/11 plot |
| Nawaf al Hazmi | Saudi; 9/11 hijacker (AA 77) (deceased) |
| Salem al Hazmi | Saudi; 9/11 hijacker (AA 77) (deceased) |
| Ahmad al Haznawi | Saudi; 9/11 hijacker (UA 93) (deceased) |
| Gulbuddin Hekmatyar | Afghani; founder and leader of the Hizb-e-Islami, a Taliban opposition group; Prime Minister of Afghanistan, 1993-1994; 1996 |
| Saddam Hussein | President of Iraq, 1979-2003 |
| Zein al Abideen Mohamed Hussein | (a.k.a. Abu Zubaydah) Palestinian; al Qaeda associate; currently in U.S. custody |
| Abu Hajer al Iraqi | see Mamdouh Mahmud Salim |
| Riduan Isamuddin | (a.k.a. Hambali) Indonesian; operational leader of Jemaah Islamiya; currently in U.S. custody |
| Ziad Jarrah | Lebanese; 9/11 pilot/hijacker (UA 93) (deceased) |
| Abderraouf Jdey | (a.k.a. Faruq al Tunisi) Tunisian/Canadian; candidate 9/11 hijacker |
| Mohamed al Kahtani | Saudi; candidate 9/11 hijacker; currently in U.S. custody |
| Mir Amal Kansi | Pakistani; extremist who killed two CIA employees at CIA headquarters in Virginia in 1993 (executed) |
| Hamid Karzai | Interim Leader and later President of Afghanistan, Dec. 2001- |
| Younis Khalis | Afghani; leader of Hizb-e-Islami; hosted UBL upon his return to Afghanistan in 1996 |
| Khallad | see Tawfiq bin Attash |
| Wali Khan Amin Shah | (a.k.a. Osama Asmurai) Turkmen; early associate of Usama Bin Ladin; convicted in Manila air (Bojinka) plot |
| Ibn al Khattab | Saudi; mujahid leader in Chechnya |
| L'Houssaine Kherchtou | (a.k.a. Joe the Moroccan,Abu Talal) Moroccan; former al Qaeda member who broke with Bin Ladin and became a U.S. government informant |
| Usama Bin Ladin | (UBL) Saudi; head of al Qaeda |
| Ibn al Shaykh al Libi | Libyan; head of jihadist training camp in Afghanistan |
| Ahmed al Nami | Saudi; 9/11 hijacker (UA 93) (deceased) |
| Sheikh Saeed al Masri | Egyptian; head of al Qaeda finance committee |
| Ahmed Shah Massoud | Leader of Afghanistan's Northern Alliance, a Taliban opposition group (assassinated Sept. 9, 2001) |
| Khalid al Mihdhar | Saudi; 9/11 hijacker (AA 77) (deceased) |
| Khalid Sheikh Mohammed | (KSM) (a.k.a. Mukhtar) Pakistani; mastermind of 9/11 attacks; currently in U.S. custody |
| Majed Moqed | Saudi; 9/11 hijacker (AA 77) (deceased) |
| Mounir el Motassadeq | Moroccan; Hamburg cell associate |
| Zacarias Moussaoui | French; arrested in the U.S. in connection with the 9/11 attacks |
| Hosni Mubarak | President of Egypt, 1981- |
| Pervez Musharraf | Leader of Pakistan, 1999- |
| Abdelghani Mzoudi | Moroccan; Hamburg cell associate |
| Qutaybah al Najdi | Saudi; candidate 9/11 hijacker |
| Abd al Rahim al Nashiri | (a.k.a. Mullah Bilal) Saudi; mastermind of USS Cole attack; currently in U.S. custody |
| Mullah Mohammed Omar | Leader of Afghanistan's Taliban, which ruled most of the country from 1996 to 2001 |
| Abdul Aziz al Omari | Saudi; 9/11 hijacker (AA 11) (deceased) |
| Muammar Qadhafi | Leader of Libya, 1970- |
| Fahd al Quso | Yemeni; al Qaeda co-conspirator arrested in Yemen for the USS Cole attack |
| Sayyid Qutb | Egyptian writer; member of Muslim Brotherhood (deceased) |
| Eyad al Rababah | Jordanian; Virginia resident who helped Hazmi and Hanjour |
| Abd al Rahim Ghulum Rabbani | (a.k.a. Abu Rahmah) Saudi; al Qaeda member who worked closely with KSM in Karachi and assisted many of the 9/11 hijackers |
| Sheikh Omar Abdel Rahman | (a.k.a. the Blind Sheikh) Egyptian cleric; convicted for crimes related to 1993 World Trade Center bombing and 1995 plots against other NY landmarks |
| Saud al Rashid | Saudi; candidate 9/11 hijacker |
| Ahmed Ressam | (a.k.a. Benni Antoine Noris) Algerian; convicted in millennium plot to bomb Los Angeles International Airport |
| Mamdouh Mahmud Salim | (a.k.a. Abu Hajer al Iraqi) Iraqi; chief procurement officer for al Qaeda in Sudan; arrested in connection with 1998 embassy bombings |
| Yazeed al Salmi | Saudi; briefly a housemate of a 9/11 hijacker in San Diego |
| Abdul Rasul Sayyaf | Afghani; head of the Hizbul-Ittihad El-Islami, and KSM's mentor |
| Aysel Senguen | German; fiancée of 9/11 hijacker Jarrah |
| Nawaz Sharif | Pakistani Prime Minister, 1990-1993, 1997-1999 |
| Marwan al Shehhi | Emirati; 9/11 pilot/hijacker (UA 175) (deceased) |
| Mohand al Shehri | Saudi; 9/11 hijacker (UA 175) (deceased) |
| Wail al Shehri | Saudi; 9/11 hijacker (AA 11) (deceased) |
| Waleed al Shehri | Saudi; 9/11 hijacker (AA 11) (deceased) |
| Mohamedou Ould Slahi | (a.k.a. Abu Musab) Mauritanian; recruited 9/11 hijackers in Germany |
| Yazid Sufaat | Malaysian; member of Jemaah Islamiya |
| Satam al Suqami | Saudi; 9/11 hijacker (AA 11) (deceased) |
| Madani al Tayyib | Saudi; former head of al Qaeda finance committee |
| Zuhair al Thubaiti | Saudi; candidate 9/11 hijacker |
| Fahad al Thumairy | Saudi; Imam of King Fahd mosque in Los Angeles; accredited diplomat at Saudi Consulate in Los Angeles |
| Hassan al Turabi | Sudan's longtime hard-line ideological leader and Speaker of the country's National Assembly during the 1990s |
| Prince Turki bin Faisal Ramzi Yousef | Saudi intelligence chief prior to 9/11 (a.k.a. Abdul Basit) Pakistani; convicted mastermind of and co-conspirator in 1993 WTC bombing and Manila air (Bojinka) plots |
| Khalid Saeed Ahmad al Zahrani | Saudi; candidate 9/11 hijacker |
| Mohammed Haydar Zammar | German citizen from Syria; jihadist; possible recruiter of Hamburg cell members |
| Ayman al Zawahiri | Egyptian; UBL's deputy and leader of Egyptian Islamic Jihad terrorist group |
| Hamdan Bin Zayid | Emirati; Minister of State for Foreign Affairs of the United Arab Emirates |
| Abu Zubaydah | see Zein al Abideen Mohamed Hussein |