| Scenario Players1) |
| Name | Role | Notes |
| Madeleine Albright | President of the United States | Albright Group, Georgetown School of Foreign Service, Saltzman Institute of War and Peace Studies, National Democratic Institute for International Affairs, Pew Global Attitudes Project, Truman Scholarship Foundation, New York Stock Exchange (NYSE), Council on Foreign Relations (CFR), Aspen Institute, United Nations, Fourth World Conference on Women, Georgetown University, Center for National Policy, United States National Security Council (NSC) |
| Nigel Broomfield | Prime Minister of the United Kingdom | Ditchley Foundation, 17th/21st Lancers, Foreign & Commonwealth Office (FCO), Eastern European and Soviet Department, Smiths Group, German-British Chamber of Commerce and Industry |
| Gro Brundtland | Director of the World Health Organization | Norwegian Labour Movement, Norwegian Directorate of Health, Norwegian Ministry of the Environment, World Commission on Environment and Development, World Health Organization (WHO), The Elders, Socialist International |
| Jerzy Buzek | Prime Minister of Poland | European Parliament |
| Eric Chevallier | Executive Secretary of the Summit | Joint United Nations Programme on HIV/AIDS (UNAIDS) |
| Klaas de Vries | Prime Minister of the Netherlands | North Atlantic Assembly |
| Jan Eliasson | Prime Minister of Sweden | United Nations Trust Fund for South Africa |
| Werner Hoyer | Chancellor of the Federal Republic of Germany | Bundestag |
| Bernard Kouchner | President of France | Doctors Without Borders, Doctors of the World, United Nations Mission in Kosovo (UNMIK) |
| Erika Mann | President of the European Commission | European Parliament, Inter-Parliamentary Union, Transatlantic Policy Network (TPN) |
| Barbara McDougall | Prime Minister of Canada | Aird & Berlis, Massey College, University of Toronto, Inter-American Dialogue, Council on Foreign Relations, International Crisis Group, Institute for Research on Public Policy, Canadian Institute of International Affairs, Scotiabank, Independent Order of Foresters, Stelco, Unique Solutions Design, Canadian
Retailers Advancing Responsible Trade, AT&T, National Trust, Systemhouse, Avenor, Sun Media, Corel Corporation, Toronto Stock Exchange (TSX), York University, Canadian Opera House Corporation, Global Panel America, Global Panel Foundation, International Development Research Centre (IDRC) |
| Stefano Silvestri | Prime Minister of Italy | Istituto Affari Internazionali (IAI), Luiss Guido Carli, Conseil Economique de la Défense, Center for Higher Defence Studies (CASD), Military Center for Strategic Studies (CeMiSS), Italian Industries Federation of Aerospace, Defence and Security (AIAD), International Institute for Strategic Studies (IISS), Johns Hopkins School of Advanced International Studies (SAIS) |
| Nik Gowing | Discussion Moderator | BBC World, Europe Direct, Dateline London, World Economic Forum (WEF), Nobel Minds, Independent Television News (ITN) |
| Tom Inglesby | Deputy National Security Advisor of the United States | Center for Biosecurity of UPMC, University of Pittsburgh
School of Medicine, Johns Hopkins Center for Civilian Biodefense Strategies, Dark Winter, Defense Science Board, National Research Council (NRC), Johns Hopkins Department of Medicine, Johns Hopkins Hospital |
| Daniel Hamilton | Director of the Center for Transatlantic Relations | Paul H. Nitze School of Advanced International Studies (SAIS), Johns Hopkins University, American Consortium on European Union Studies (ACES), American Institute for Contemporary German Studies (AICGS), Carnegie Endowment for International Peace, Aspen Institute Germany, Chicago Council on Global Affairs |
| Tara O’Toole | CEO and Director, Center for Biosecurity of UPMC | University of Pittsburgh, Johns Hopkins Center for Civilian Biodefense Strategies, Dark Winter, United States Department of Energy (DOE), Office of Technology Assessment (OTA), Yale University, Johns Hopkins University |
