| 1 | Jack |
Jennings Jr. | Lexi's best friend |
| | Finn |
| Lexi's friend and housemate |
| | Ben |
| Lexi's ex-boyfriend |
| | Alexandrina Anne Barbara May |
Villiers | Protagonist; granddaughter of the Queen of England. Aka: Lexi |
| | Stewart |
| The Queen's private secretary |
| | Louis Arthur Albert Lawrence |
Villiers | Lexi's twin brother |
| | Cessna |
| Wealthy family friend of the Villiers |
| | James |
Cook | Lexi's uncle; Isla's brother |
| | Frederick |
Villiers | Lexi's father |
| | Amira |
Villiers | Louis's wife |
| | Krishiv |
Shankar | Amira's brother. Aka: Kris |
| | Jenny |
Walsh | U.K. Prime Minister |
| | King |
Charles II | Former King of England |
| | Barbara |
Villiers | Mistress of King Charles II; Lexi's ancestor |
| | Queen |
Catherine | Wife of King Charles II |
| | William |
| New King |
| | Isla |
Villiers | Mother of Lexi and Louis |
| 2 | Eleanor |
Villiers | Queen of England; Lexi's grandmother. Aka: Granny |
| | Mary |
Williams | One of Frederick's associates |
| 3 | Annabelle |
Villiers | Frederick's second wife |
| 4 | Albert |
| Eleanor's uncle |
| 5 | Victoria |
Shankar | Amira's mother. Aka: Vikki Yarborough |
| | Madhav |
Shankar | Amira's father |
| | Barry |
Yarborough | Victoria's father |
| | Genevieve |
Lambert | Marchioness of Northampton |
| 6 | Ragu |
| Jack's dog |
| | Richard |
Villiers | Lexi's uncle |
| | Birdie |
| Richard's daughter; Lexi's cousin. Aka: Demelza; Demi |
| | Beatrix |
| Eleanor's sister; Lexi's great-aunt |
| | Paula |
Jennings | Jack's mother |
| | Jack |
Jennings Sr. | Jack's father |
| | Beyoncé |
| American singer and performer |
| | Georgia |
| Jack's ex-girlfriend |
| 8 | Harold |
Himmelhoch | Royal commentator |
| | Posey |
Habsburg-Mollard | Daily Post journalist |
| 9 | Florence |
Villiers | Richard's wife; Lexi's aunt |
| 11 |
Pudding | |
Eleanor's dog |
| | Chino |
| Louis's dog |
| 12 |
Johnny | Cash |
American singer-songwriter |
| | Rachel |
| Lexi's favorite nurse |
| 14 |
Colin | Bellingham |
One of Louis's unpleasant friends. Aka: Earl Amherst |
| 14 |
Sonia | Knowles |
Guest of Eleanor; Bahamian Prime Minister's wife |
| 17 |
Lady Macbeth | |
Eleanor's horse |
| 18 |
Rita | |
Lexi's protection officer |
| 21 |
Davide | Rossi |
Isla's private security |
| | Jacqueline |
Rockcliffe | Head of obstetrics at Prince Frederick Memorial Hospital |
| | Dr. |
Lee | Junior doctor |
| 28 |
Mr. | Eastaughffe |
Frederick's solicitor |
| | Charlie |
| Carpet cleaner who helped Lexi |
| | Emmanuel |
Mensah | Constitutional scholar known to Jenny from law school |
| 29 |
Dee | |
Pulitzer Prize-winning journalist |
