Cast
- Colin Baker (The Doctor)
- Anneke Wills (Polly Wright)
- Russell Floyd (Gerry Lenz)
- Nicholas Courtney (Sir Alistair Lethbridge-Stewart)
- John Pickard (Thomas Brewster)
- India Fisher (Charlotte Pollard)
- Michael Maloney (Fratalin)
- Jess Robinson (Mila)
- Nicholas Briggs (The Daleks / Etheron)
Doctor Who - The Monthly Adventures
124. Doctor Who: Patient Zero
Written by Nicholas Briggs Marc Platt
Starring Colin Baker
