| Pro | Prince | Harry | Protagonist and Narrator. AKA: Henry Charles Albert David. |
| | Diana | Spencer | Harry's mother. AKA: Princess Diana. |
| | Victoria | | The Queen of UK, Queen Elizabeth's great, great-grandmother. |
| | Wallis | Simpson | Prince Edward's wife. |
| | Prince | William | Harry's brother. AKA: Willy. |
| | | | Part 1 |
| | King | Albert | Queen Victoria's husband. |
| | Mabel | | Harry's nanny. |
| | Sarah | | Princess Diana's sister. |
| | Jane | | Princess Diana's sister. |
| | Charles | | Harry's uncle. |
| | Prince | Charles III | Harry's father. |
| | Graham | | The bodyguard that Harry and Willy likes. |
| | Mr. Gerald | | The Ludgrove's headmaster. |
| | Mr. Marston | | The Ludgrove's headmaster. |
| | Miss | Roberts | Harry's crush. |
| | Pat | | One of Harry's matrons. |
| | Mandela | | The President of South Africa. |
| | David | Rattay | A famous historian. |
| | Mr. Dawson | | Harry's teacher. |
| | Kevin | | Prince Charles III's butler. |
| | Mr. Little | | The drum teacher. |
| | Mr. Hughes-Games | | Harry's history teacher. |
| | Charles Edward | Stuart | The young pretender to the throne. |
| | Henners | | Harry's best friend. |
| | James | Hewitt | Princess Diana's lover. |
| | Camilla | | Prince Charles III's new girl. |
| | King | Henry | Harry's ancestor. |
| | Lord | Mount Batten | Prince Charles III's great-uncle. |
| | Marko | | Harry's African guide. |
| | Tiggy | | One of Harry's nannies. |
| | Avi | | One of Harry's guides. |
| | Hugh | | Prince Charles III's old friend. |
| | Emilie | | Hugh's wife. |
| | Nick | | Harry's playmate. |
| | Sandy | | One of Harry's guides. |
| | Queen | Elizabeth | Harry's grandmother. AKA: Gan-Gan. |
| | King George VI | | Harry's great-grandfather. |
| | King Edward VIII | | King George VI's brother-in-law. |
| | Princess | Margaret | Harry's aunt. AKA: Aunt Margo. |
| | Annie | Hill | Princess Diana's friend. |
| | Noel | Hill | Annie's husband. |
| | Nikkie | Hill | Noel and Annie's daughter. |
| | Eustie | Hill | Noel and Annie's daughter. |
| | George | Hill | Noel and Annie's son. |
| | Teej | | The leader of the trip. |
| | Mike | | Teej's boyfriend. |
| | Kate | Middleton | Willy's wife. |
| | Jamie | Lowther-Pinkerton | Harry's new private secretary. AKA: JLP. |
| | Ewan | McGregor | An actor. |
| | Spence | | The color sergeant. |
| | | | Part 2 |
| | Billy | | One of Harry's bodyguards. |
| | Ed | Smyth-Osbourne | Harry's commanding officer. |
| | Baxter | | The corporal. |
| | Magic | | The pilot. |
| | Zero | Alpha | The officer-in-command. |
| | Caroline | Flack | Harry's 2nd girlfriend. |
| | Dannatt | | The general. |
| | Ahmed | Raza-Khan | Harry's friend and fellow cadet. |
| | Nige | | Harry's flight instructor. |
| | Seeiso | | A prince. |
| | Guy | | One of Harry's mates. |
| | Rehabber | Kooks | The person who harassed the Royal Family. |
| | Milly | Dowler | A teenager who'd been murdered. |
| | Guy | Disney | An injured cavalry man. |
| | Martin | Hewitt | An injured captain. |
| | Jaco | Vann Gass | An injured paratrooper. |
| | James | | Willy's best man. |
| | Thomas | | Willy's best man. Henner's brother. |
| | Phil | | Harry's mate. |
| | Tweedle | Dumb | Harrry's commanding officer. |
| | Tweedle | Dumber | Harry's commanding officer. |
| | Charlie | | Henner's brother. |
| | Dave | | Harry's mate. |
| | Cressida | | Harry's new girlfriend. AKA: Cress. |
| | Eugenie | | Harry's cousin. AKA: Euge. |
| | Chris | Christie | New Jersey governor. |
| | Mr.R | | Harry's neighbor. |
| | George (2) | | Willy and Kate's son. |
| | Cameron | Diaz | One of Harry's girls. |
| | Ed | Lane-Fox | Harry's new private secretary. AKA: ELF. |
| | Keith | Mills | The man who runs International Games. |
| | | | Part 3 |
| | Violet | | Harry and Meghan's common friend. |
| | Meghan | Markle | Harry's wife. |
| | Serena | Williams | Meghan's friend. |
| | Mike | | Harry's mate. |
| | Vanessa | | Meg's friend in SOTO House. |
| | Jack | | Euge's boyfriend. |
| | Fergie | | Harry's aunt. |
| | Sophie | | Harry's aunt. |
| | Andrew | | Harry's uncle. |
| | Lupo | | Willy's dog. |
| | Boris | Johnson | London's former mayor. |
| | Doria | Markle | Meg's mother. |
| | Princess | Anne | Harry's aunt. |
| | Jason | | Kensington Palace's comms person. |
| | Rihanna | | A famous singer. |
| | Princess | Michael | The Princess of Kent. |
| | Bogarti | | One of Meg's dogs. |
| | Thomas | Markle | Meg's father. |
| | Angela | | Queen Elizabeth's dresser. |
| | Ajay | | Harry and Meg's wedding tailor. |
| | Lindsay | | Meg's best friend. |
| | Pippa | | The General's wife. |
| | Elton | John | A famous singer. Meg and Harry's friend. |
| | David | | Elton John's husband. |
| | Archie | | Harry and Meg's son. |
| | Lady | Susan | The Queen's associate. |
| | Tyler | Purry | An actor, writer, and director. |
| | Lilibet | | Harry and Meghan's daughter. |