Will Charles become absolute monarch as the new Magna Carta decrees, and when Pippa's wedding day arrives, will Harry let her go through with it?
| Name | Type | Role | |
|---|---|---|---|
| Harvey Virdi | Guest Star | Doctor | |
| Gillian Bevan | Guest Star | Theresa May | |
| Tom Knight | Guest Star | Registrar | |
| Ben Lambert | Guest Star | Johnny Mathers | |
| Corey Johnson | Guest Star | Donald Trump | |
| James Doherty | Guest Star | Henry VIII |