There were literally thousands of diplomats (and their staffs) participating involved in the Paris peace process, and below are listed some of the key players in the negotiations. (I will eventually get around to writing up some information on each of them.) Current History (April 1919) ran a short article "Who's Who in the Peace Conference: Brief Biographies of the Delegates Who Are Shaping the Treaty of Peace at Paris" (*.PDF file), including a seating chart.
| Woodrow Wilson | Georges Clemenceau | Vittorio Orlando | David Lloyd George |
| Nikola Pašić | Eleuthérios Venizélos | Edvard Beneš | Ignacy Jan Paderewski |
| Jan Christian Smuts | Mustafa Kemal Pasha (Atatürk) | Ulrich Graf von Brockdorff-Rantzau | Ho Chi Minh |
| Louis Botha | King Faisal I of Iraq (Faisal bin Al Hussein Bin Ali El-Hashemi) | Juan A. Buero | |
| King Albert I of Belgiumt | Ion I. C. (Ionel) Brătianu | Ganga Singh of Bikaner (the Maharaja of Bikaner) | King Victor Emmanuel III of Italy |
| Robert Lansing | Arthur James Balfour, 1st Earl of Balfour | Stéphen Pichon | Baron Sidney Costantino Sonnino |
| Colonel House | Maurice Hankey | Paul Mantoux | Eddie Jackson |
| General Tasker Bliss | General Sir Henry Wilson | Admiral Sir Rosslyn Wemyss | |
| André Pierre Gabriel Amédée Tardieu | François Marie Denis Georges-Picot | Henry White | T.E. Lawrence |
| Gustav Bauer | Dr. Hermann Müller | Matthias Erzberger |
| Winston Churchill | Theodore Roosevelt | W.E.B Dubois |
| Marshal Ferdinand Foch |