The story
Sontaran Field Major Styre is conducting experiments on the survivors of future Earth in preparation of a full-scale Sontaran invasion of the planet. Can the Doctor defeat Styre and save the world?
Cast & crew
Tom BakerThe Doctor
Elisabeth SladenSarah Jane Smith
Ian MarterHarry SullivanKevin Lindsay
Kevin LindsayStyre / The Marshal
Donald DouglasVuralGlyn Jones
Glyn JonesKrans
Terry WalshZakeBrian Ellis
Brian EllisPrisonerExplore the crew
- Director
- Rodney Bennett
- Writer
- Bob Baker
- Writer
- Dave Martin
- Producer
- Philip Hinchcliffe
- Original Music Composer
- Dudley Simpson