Cast
- Peter Davison (The Doctor)
- Matthew Waterhouse (Adric)
- Sarah Sutton (Nyssa)
- Janet Fielding (Tegan Jovanka)
- Samuel West (The Mazzini Family)
- Phil Cornwell (Superintendent Galgo / Zaleb 5)
- Sophie Winkleman (Sofia)
Doctor Who - The Monthly Adventures
236. Doctor Who: Serpent in the Silver Mask
Written by David Llewellyn
Starring Peter Davison Matthew Waterhouse