Cast
- Tom Baker (The Doctor)
- Louise Jameson (Leela)
- Geoffrey Beevers (The Master)
- Michael Cochrane (Colonel Hugh Spindleton)
- Rachael Stirling (Mrs Demesne Furze)
- John Banks (Carswell / Mercenary)
- Becci Gemmell (Julie)
- Mark Field (John)
Doctor Who - The Fourth Doctor Adventures
1.5. Doctor Who: Trail of the White Worm
Written by Alan Barnes
Starring Tom Baker Louise Jameson
