Cast
- Peter Davison (The Doctor)
- Sarah Sutton (Nyssa)
- Janet Fielding (Tegan Jovanka)
- Mark Strickson (Vislor Turlough)
- John Banks (Clifford Andrews)
- Alison Thea-Skot (Sally Lucas)
- Terry Molloy (Dr Wallace)
- David Seymour (Kevin)
- Andrew Dickens (Matthew / Andrew Dickens)
- Charlie Norfolk (Caitlin Jones)
Doctor Who - The Monthly Adventures
148. Doctor Who: Rat Trap
Written by Tony Lee
Starring Peter Davison Sarah Sutton