Mrs. Bradley accompanies her chauffeur, George, to his daughter's wedding. Local fishermen discover the body of the vicar's daughter on the beach, with her hair shaved off and a worsted viper around her neck.
| Name | Type | Role | |
|---|---|---|---|
| Simon Booker | Writer | ||
| Rebecca Callard | Guest Star | ||
| Jason O'Mara | Guest Star | ||
| John Bowe | Guest Star | ||
| Isla Blair | Guest Star | ||
| Pooky Quesnel | Guest Star | ||
| Charlotte Frances | Guest Star | ||
| Katy Lown | Guest Star | ||
| Alex Palmer | Guest Star | ||
| Matthew Burgess | Guest Star | ||
| Eddie Marsan | Guest Star | ||
| Peter Davison | Guest Star | ||
| James Hawes | Director |