London, the 1890s. As magician Li H'Sen Chang captivates audiences, a spate of disappearances amongst young women goes largely unnoticed. But almost upon their arrival, the Doctor and Leela find themselves confronting the feared Tong of the Black Scorpion, and a menace from another time. And there's something fishy in the sewers, too...
| Name | Type | Role | |
|---|---|---|---|
| Robert Holmes | Writer | ||
| John Wu | Guest Star | ||
| Patsy Smart | Guest Star | ||
| Chris Gannon | Guest Star | ||
| Tony Then | Guest Star | ||
| David McKail | Guest Star | ||
| Conrad Asquith | Guest Star | ||
| Alan Butler | Guest Star | ||
| David Maloney | Director |