The Doctor and Ace explore Victorian house Gabriel Chase and realise it hides just as many dark secrets in its drawing room as it does in its dark cellar.
| Name | Type | Role | |
|---|---|---|---|
| Marc Platt (II) | Writer | ||
| Katharine Schlesinger | Guest Star | ||
| John Nettleton | Guest Star | ||
| Carl Forgione | Guest Star | ||
| Katy Jarrett | Guest Star | ||
| Brenda Kempner | Guest Star | ||
| Jack Talbot | Guest Star | ||
| Sue Somerset | Guest Star | ||
| Sylvia Syms | Guest Star | ||
| Ian Hogg | Guest Star | ||
| Keith Harvie | Guest Star | ||
| Sharon Duce | Guest Star | ||
| Alan Wareing | Director |