Once the nation's favourite, by its third year Doctor Who was in trouble. With changes afoot in the production office and increasing problems with its lead actor, the programme was heading for the Last Chance Saloon.
| Actor | Role |
|---|---|
| JJenny FarishNarrator | Narrator |
 Donald ToshNot listed | Not listed |
 Peter PurvesNot listed | Not listed |
 Maureen O'BrienNot listed | Not listed |
 Ian LevineNot listed | Not listed |
 Gareth RobertsNot listed | Not listed |
 Anneke WillsNot listed | Not listed |
 Simon GuerrierNot listed | Not listed |
| SSteven O'BrienNot listed | Not listed |
| PPaul JonesJohn Wiles (voice) | John Wiles (voice) |