| Herbert Henry | Asquith | The new liberal prime minister. |
| Violet | Asquith | Venetia's best friend. Herbet's daughter. |
| Gertrude | Bell | A key political adviser. |
| Lawrence | Bell | A well-known archaeologist. |
| Gwendeline | Bertie | Jack's new wife. Aka: Goonie. |
| Algernon | Bertram Freeman-Mitford | The first baron Redesdale. |
| Lady | Blanche | Clementine's grandmother. |
| Andrew | Bonar-Law | The conservative leader. |
| Maurice | Bonham-Carter | Violet's fiancé. |
| Bob | Boothby | One of the members of the parliament. |
| Brendan | Bracken | One of the members of the parliament. |
| Alan | Brooke | Chief of the imperial general staff. |
| Vera | Broughton | Lord Moyne's mistress. |
| Capability | Brown | An English gardener and landscape architect. |
| Mrs. | Burden | Clemmie's friend. |
| George | Callaghan | The admiral. |
| Hugh | Cecil | A baron. |
| Diana | Churchill | Clemmie and Winston's daughter. |
| Lady | Churchill | Winston's mother. Aka: Jennie Jerome. |
| Marigold | Churchill | Clemmie and Winston's daughter. |
| Mary | Churchill | Clemmie and Winston's daughter. Aka: Baby Bud. |
| Randolph | Churchill | Clemmie and Winston's son. Aka: Chumbolly. |
| Sarah | Churchill | Clemmie and Winston's daughter. |
| Winston | Churchill | Clementine's husband. Aka: Pug. |
| Jock | Colville | Winston's private secretary. |
| Sidney | Cornwallis-Peel | Robert's grandson. |
| George | Cornwallis-West | Jennie's new husband. |
| Pamela | Digby | The eldest daughter of Lord Digby. Clemmie's daughter-in-law. |
| Komodo | Dragon | The giant lizard. |
| Alfred | Duff | One of the members of the parliament. |
| Lionel | Earle | One of Clementine's fiancés. |
| Anthony | Eden | One of the members of the parliament. |
| King | Edward | The current king. |
| Dwight | Eisenhower | An American general. |
| Franz | Ferdinand | The archduke. Murdered. |
| Clare | Frewen | Winston's cousin. One of Clementine's bridesmaids. |
| De | Gaulle | The France general. |
| David Lloyd | George | The chancellor of the exchequer. Winston's predecessor. |
| William | Gladstone | The prime minister. |
| Dr. | Gomez | Winston's doctor. |
| Lee | Guinness | Moyne's cousin. |
| Posy | Guinness | Lee's wife. |
| Miss | Hall | One of Winston's housemaids. |
| Ernst | Hanfstaengl | A fine arts publishing house owner. Putzi's father. |
| Averell | Harriman | Clemmie's new guest. |
| Kathleen | Harriman | Averell's daughter. |
| Beatrice | Harris | Clementine's head mistress at Berkhamsted. |
| Adolf | Hitler | The Nazi leader. |
| Harry | Hopkins | The U.S. secretary of commerce. |
| Clementine | Hozier | Narrator and Protagonist. Aka: Clemmie, Cat. |
| Henry | Hozier | Clementine's father. |
| Pug | Ismay | Winston's chief military assistant. |
| Mabel | Johnson | The secretary to the aid to Russia fund. |
| Joseph | Kennedy Sr. | The American ambassador. |
| Mrs. | Kislova | Clemmie's interpreter. |
| Earl | Kitchener | The secretary of state for war. |
| Mrs. | Landemare | Clemmie's cook. |
| Hazel | Lavery | John's wife. |
| John | Lavery | Clemmie's friend. A painter. |
| Stanley | Lief | Clemmie's doctor. |
| Frederick | Lindemann | The professor from Oxford University that Winston recruited. |
| Malcolm | MacDonald | The minister of health |
| W.L | Mackenzie-King | The Liberal prime minister of Canada. |
| Ivan | Maisky | The former Russian Ambassador. |
| Lady | Maude | Maryott's mother. Clemmie's aunt. |
| Reginald | McKenna | The home secretary. |
| Jessica | Mitford | Esmond's cousin. |
| Paulina | Molotov | Ivan's wife. |
| Edwin | Montagu | Venetia's fiancé. The junior minister. |
| Lord | Moran | Winston's doctor. |
| Henry | Morgenthau Jr. | Secretary of the U.S. Treasury. |
| Lord | Moyne | The financial secretary to the treasury. |
| Duke | Of Marlborough | Winston's cousin. Aka: Sunny, Earl of Sunderland. |
| Sarah | Oliver | Vic's wife. |
| Vic | Oliver | An Austrian-born actor. |
| Mr. | Peacock | Clemmie's instructor. |
| Robert | Peel | A former prime minister. |
| Terence | Philip | Knoedler's director of London branch. |
| Lord | Pirrie | Clemmie and Winston's hosts. |
| Camille | Pissaro | An artist. |
| De | Robeck | The new vice admiral. |
| Bertram | Romily | Nellie's fiancé. |
| Anna | Roosevelt | Eleanor's eldest daughter. |
| Eleanor | Roosevelt | The U.S. first lady. |
| President | Roosevelt | The current U.S. President. |
| Walter | Runciman | The president of the board of trade. |
| Duncan | Sandys | Diana's husband. |
| Horatia | Seymour | Clementine's friend. |
| Archie | Sinclair | Winston's private secretary. |
| F.E | Smith | Winston's friend. |
| Lady | St. Helier | Clementine's benefactress. |
| Joseph | Stalin | The Russian leader. |
| Grandmother | Stanley | Clemmie's grandmother. |
| Venetia | Stanley | Clementine's cousin One of Clementine's bridesmaids. |
| Bran | Stoker | The Dracula author. |
| May | Tennant | The woman from Red Cross. |
| Tommy | Thompson | Winston's bodyguard. |
| Richard | Valdane | The lord chancellor viscount. |
| Edward | VIII | The current King of the U.K. |
| Thomas | Walden | Winston's manservant. |
| Miss | Watson | One of Winston's housemaids. |
| Bishop | Welldon | The marriage officiant. |
| Lena | Whyte | Clementine's cousin. A dressmaker. |
| Maryott | Whyte | Clemmie's 1st cousin. Aka: Moppet. |
| Ralph | Wigram | One of the men that Winston recruited. |
| Kaiser | Wilhelm | The current German emperor. |
| Gil | Winant | A former republican governor. |
| Baldwin | | A prime minister. |
| Bessie | | Clemmie's maid. |
| Bill | | Nellie's twin. Clementine's brother. |
| Chamberlain | | A prime minister. |
| Clarissa | | Jack and Goonie's daughter. |
| Cooper | | One of the members of the parliament. |
| Duff | | The lord admiral. |
| Edwina | | Diana's daughter. |
| Esmond | | Nellie and Bertram's son. |
| Giles | | Nellie and Bertram's son. |
| Grace | | One of Clemmie's servants. |
| Helen | | Clemmie's personal maid. |
| Johnny | | Jack and Goonie's son. |
| Judy | | Venetia's daughter. |
| Julian | | Diana's son. |
| Kitchener | | The field marshal. |
| Kitty | | Clementine's older sister. |
| Lawrence | | The colonel. |
| Margot | | Henry's wife. |
| Mary | | St. Helier's housemaid. |
| Mussolini | | The leader of National Fascist Party. |
| Nellie | | Clementine's sister. |
| Pakenham-Walsh | | The lieutenant colonel. |
| Peregrine | | Jack and Goonie's son. |
| Rose | | Clemmie's new French nanny. |
| Stewart | | One of Winston's servants. |
