A man dies of a mysterious tropical disease on which his cousin, his heir, is the sole authority.
| Name | Type | Role | |
|---|---|---|---|
| Roy Hudd | Guest Star | John Gedgrave | |
| Trevor Bowen | Guest Star | Charles Damant | |
| Jonathan Hyde | Guest Star | Culverton Smith | |
| Susannah Harker | Guest Star | Adelaide Savage | |
| Hugh Bonneville | Guest Star | Victor Savage |