As Somerset puts George under pressure, Mary must find a way to persevere or risk losing everything.
| Name | Type | Role | |
|---|---|---|---|
| D.C. Moore | Writer | ||
| Neil Edmond | Guest Star | Napier | |
| Pearl Chanda | Guest Star | Countess Somerset | |
| Henry Felix | Guest Star | Camden Billy | |
| David Boan | Guest Star | Scottish Gentleman | |
| Lydia Fleming | Guest Star | Anne Turner | |
| Simon Bass | Guest Star | Richard Weston | |
| Vlad Troncea | Guest Star | Scottish Gentleman | |
| Nicola Walker | Guest Star | Lady Hatton | |
| Michael Ballard | Guest Star | Gervase Helwys | |
| Eoin Quinlan | Guest Star | Scottish Gentleman | |
| Kate Fleetwood | Guest Star | Cunning Mary | |
| Julian Harries | Guest Star | James Franklin | |
| Laurie Davidson | Guest Star | Earl of Somerset | |
| Matt Barkley | Guest Star | Earl of Essex | |
| Joshua James Hutchings | Guest Star | Scottish Gentleman | |
| Oliver Hermanus | Director |