Cast
- Peter Davison (The Doctor)
- Sarah Sutton (Nyssa)
- Janet Fielding (Tegan Jovanka)
- Samuel Barnett (Cicero)
- Laura Riseborough (Terentia)
- George Watkins (Marc)
- Joe Shire (Septus)
- Tracy-Ann Oberman (Tartarus)
Doctor Who - The Monthly Adventures
256. Doctor Who: Tartarus
Written by David Llewellyn
Starring Peter Davison Sarah Sutton