A crisis is triggered when Sir Walter Raleigh returns, driving a wedge between Mary, George and King James.
| Name | Type | Role | |
|---|---|---|---|
| Stacey Gregg | Writer | ||
| D.C. Moore | Writer | ||
| Mirren Mack | Guest Star | Katherine Manners | |
| Simon Winkler | Guest Star | Earl of Rutland | |
| Joseph Mawle | Guest Star | Sir Walter Raleigh | |
| Unax Ugalde | Guest Star | Gondomar | |
| Jamie Michie | Guest Star | Captain Harrison | |
| Michael Jean-Marain | Guest Star | Handsome-ish Man | |
| Maria Hasse | Guest Star | Portuguese Sex Worker | |
| Alex Winckler | Director |