The Doctor discovers his old enemy the Master is intent on preventing Earth's industrial revolution in 19th century England. But the Rani, a second rogue Time Lord, has plans of her own...
| Actor | Role |
|---|---|
 Colin BakerThe Doctor | The Doctor |
 Nicola BryantPeri Brown | Peri Brown |
 Anthony AinleyThe Master | The Master |
 Kate O'MaraThe Rani | The Rani |
 Terence AlexanderLord Ravensworth | Lord Ravensworth |
 Gawn GraingerGeorge Stephenson | George Stephenson |
 Gary CadyLuke Ward | Luke Ward |
| PPeter ChildsJack Ward | Jack Ward |
| RRichard SteeleGuard | Guard |
| WWilliam IlkleyTim Bass | Tim Bass |
| HHus LeventEdwin Green | Edwin Green |
| KKevin WhiteSam Rudge | Sam Rudge |
| KKevin WhitbyDrayman | Drayman |
| SSarah JamesYoung Woman | Young Woman |
| CCordelia DittonWoman | Woman |